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* rtnetlink: propagate error from dev_change_flags in do_setlink()Johannes Berg2008-11-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | Unlike ifconfig, iproute doesn't report an error when setting an interface up fails: (example: put wireless network mac80211 interface into repeater mode with iwconfig but do not set a peer MAC address, it should fail with -ENOLINK) without patch: # ip link set wlan0 up ; echo $? 0 # with patch: # ip link set wlan0 up ; echo $? RTNETLINK answers: Link has been severed 2 # Propagate the return value from dev_change_flags() to fix this. Signed-off-by: Patrick McHardy <kaber@trash.net> Tested-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* Phonet: refuse to send bigger than MTU packetsRémi Denis-Courmont2008-11-16
| | | | | | Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* scm: fix scm_fp_list->list initialization made in wrong placePavel Emelyanov2008-11-14
| | | | | | | | | | | | | | | | | | | This is the next page of the scm recursion story (the commit f8d570a4 net: Fix recursive descent in __scm_destroy()). In function scm_fp_dup(), the INIT_LIST_HEAD(&fpl->list) of newly created fpl is done *before* the subsequent memcpy from the old structure and thus the freshly initialized list is overwritten. But that's OK, since this initialization is not required at all, since the fpl->list is list_add-ed at the destruction time in any case (and is unused in other code), so I propose to drop both initializations, rather than moving it after the memcpy. Please, correct me if I miss something significant. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* lockdep: include/linux/lockdep.h - fix warning in net/bluetooth/af_bluetooth.cIngo Molnar2008-11-14
| | | | | | | | | | | | | | | | | | | | fix this warning: net/bluetooth/af_bluetooth.c:60: warning: ‘bt_key_strings’ defined but not used net/bluetooth/af_bluetooth.c:71: warning: ‘bt_slock_key_strings’ defined but not used this is a lockdep macro problem in the !LOCKDEP case. We cannot convert it to an inline because the macro works on multiple types, but we can mark the parameter used. [ also clean up a misaligned tab in sock_lock_init_class_and_name() ] [ also remove #ifdefs from around af_family_clock_key strings - which were certainly added to get rid of the ugly build warnings. ] Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
* 9p: restrict RDMA usageRandy Dunlap2008-11-13
| | | | | | | | | | | | | | | | | | | | | | Make 9p's RDMA option depend on INET since it uses Infiniband rdma_* functions and that code depends on INET. Otherwise 9p can try to use symbols which don't exist. ERROR: "rdma_destroy_id" [net/9p/9pnet_rdma.ko] undefined! ERROR: "rdma_connect" [net/9p/9pnet_rdma.ko] undefined! ERROR: "rdma_create_id" [net/9p/9pnet_rdma.ko] undefined! ERROR: "rdma_create_qp" [net/9p/9pnet_rdma.ko] undefined! ERROR: "rdma_resolve_route" [net/9p/9pnet_rdma.ko] undefined! ERROR: "rdma_disconnect" [net/9p/9pnet_rdma.ko] undefined! ERROR: "rdma_resolve_addr" [net/9p/9pnet_rdma.ko] undefined! I used an if/endif block so that the menu items would remain presented together. Also correct an article adjective. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: shy netns_ok checkAlexey Dobriyan2008-11-13
| | | | | | | | | | | Failure to pass netns_ok check is SILENT, except some MIB counter is incremented somewhere. And adding "netns_ok = 1" (after long head-scratching session) is usually the last step in making some protocol netns-ready... Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv6: routing header fixesBrian Haley2008-11-13
| | | | | | | | | | | | | | | This patch fixes two bugs: 1. setsockopt() of anything but a Type 2 routing header should return EINVAL instead of EPERM. Noticed by Shan Wei (shanwei@cn.fujitsu.com). 2. setsockopt()/sendmsg() of a Type 2 routing header with invalid length or segments should return EINVAL. These values are statically fixed in RFC 3775, unlike the variable Type 0 was. Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2008-11-12
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
| * mac80211: fix notify_mac functionJohannes Berg2008-11-12
| | | | | | | | | | | | | | | | | | | | The ieee80211_notify_mac() function uses ieee80211_sta_req_auth() which in turn calls ieee80211_set_disassoc() which calls a few functions that need to be able to sleep, so ieee80211_notify_mac() cannot use RCU locking for the interface list and must use rtnl locking instead. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | net: put_cmsg_compat + SO_TIMESTAMP[NS]: use same name for value as callerPatrick Ohly2008-11-12
| | | | | | | | | | | | | | | | In __sock_recv_timestamp() the additional SCM_TIMESTAMP[NS] is used. This has the same value as SO_TIMESTAMP[NS], so this is a purely cosmetic change. Signed-off-by: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | tcp_htcp: last_cong bug fixDoug Leith2008-11-12
|/ | | | | | | | | | | | | | | | This patch fixes a minor bug in tcp_htcp.c which has been highlighted by Lachlan Andrew and Lawrence Stewart. Currently, the time since the last congestion event, which is stored in variable last_cong, is reset whenever there is a state change into TCP_CA_Open. This includes transitions of the type TCP_CA_Open->TCP_CA_Disorder->TCP_CA_Open which are not associated with backoff of cwnd. The patch changes last_cong to be updated only on transitions into TCP_CA_Open that occur after experiencing the congestion-related states TCP_CA_Loss, TCP_CA_Recovery, TCP_CA_CWR. Signed-off-by: Doug Leith <doug.leith@nuim.ie> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2008-11-11
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: dsa: fix master interface allmulti/promisc handling dsa: fix skb->pkt_type when mac address of slave interface differs net: fix setting of skb->tail in skb_recycle_check() net: fix /proc/net/snmp as memory corruptor mac80211: fix a buffer overrun in station debug code netfilter: payload_len is be16, add size of struct rather than size of pointer ipv6: fix ip6_mr_init error path [4/4] dca: fixup initialization dependency [3/4] I/OAT: fix async_tx.callback checking [2/4] I/OAT: fix dma_pin_iovec_pages() error handling [1/4] I/OAT: fix channel resources free for not allocated channels ssb: Fix DMA-API compilation for non-PCI systems SSB: hide empty sub menu vlan: Fix typos in proc output string [netdrvr] usb/hso: Cleanup rfkill error handling sfc: Correct address of gPXE boot configuration in EEPROM el3_common_init() should be __devinit, not __init hso: rfkill type should be WWAN mlx4_en: Start port error flow bug fix af_key: mark policy as dead before destroying
| * dsa: fix master interface allmulti/promisc handlingLennert Buytenhek2008-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Before commit b6c40d68ff6498b7f63ddf97cf0aa818d748dee7 ("net: only invoke dev->change_rx_flags when device is UP"), the dsa driver could sort-of get away with only fiddling with the master interface's allmulti/promisc counts in ->change_rx_flags() and not touching them in ->open() or ->stop(). After this commit (note that it was merged almost simultaneously with the dsa patches, which is why this wasn't caught initially), the breakage that was already there became more apparent. Since it makes no sense to keep the master interface's allmulti or promisc count pinned for a slave interface that is down, copy the vlan driver's sync logic (which does exactly what we want) over to dsa to fix this. Bug report from Dirk Teurlings <dirk@upexia.nl> and Peter van Valderen <linux@ddcrew.com>. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Tested-by: Dirk Teurlings <dirk@upexia.nl> Tested-by: Peter van Valderen <linux@ddcrew.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * dsa: fix skb->pkt_type when mac address of slave interface differsLennert Buytenhek2008-11-11
| | | | | | | | | | | | | | | | | | | | When a dsa slave interface has a mac address that differs from that of the master interface, eth_type_trans() won't explicitly set skb->pkt_type back to PACKET_HOST -- we need to do this ourselves before calling eth_type_trans(). Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: fix setting of skb->tail in skb_recycle_check()Lennert Buytenhek2008-11-11
| | | | | | | | | | | | | | | | | | | | | | | | Since skb_reset_tail_pointer() reads skb->data, we need to set skb->data before calling skb_reset_tail_pointer(). This was causing spurious skb_over_panic()s from skb_put() being called on a recycled skb that had its skb->tail set to beyond where it should have been. Bug report from Peter van Valderen <linux@ddcrew.com>. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: fix /proc/net/snmp as memory corruptorEric Dumazet2008-11-11
| | | | | | | | | | | | | | | | | | | | | | icmpmsg_put() can happily corrupt kernel memory, using a static table and forgetting to reset an array index in a loop. Remove the static array since its not safe without proper locking. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * mac80211: fix a buffer overrun in station debug codeJianjun Kong2008-11-11
| | | | | | | | | | | | | | | | net/mac80211/debugfs_sta.c The trailing zero was written to state[4], it's out of bounds. Signed-off-by: Jianjun Kong <jianjun@zeuux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * netfilter: payload_len is be16, add size of struct rather than size of pointerHarvey Harrison2008-11-10
| | | | | | | | | | | | | | | | payload_len is a be16 value, not cpu_endian, also the size of a ponter to a struct ipv6hdr was being added, not the size of the struct itself. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * ipv6: fix ip6_mr_init error pathBenjamin Thery2008-11-10
| | | | | | | | | | | | | | | | | | The order of cleanup operations in the error/exit section of ip6_mr_init() is completely inversed. It should be the other way around. Also a del_timer() is missing in the error path. Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * vlan: Fix typos in proc output stringFerenc Wagner2008-11-10
| | | | | | | | | | Signed-off-by: Ferenc Wagner <wferi@niif.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
| * af_key: mark policy as dead before destroyingAlexey Dobriyan2008-11-07
| | | | | | | | | | | | | | | | | | | | xfrm_policy_destroy() will oops if not dead policy is passed to it. On error path in pfkey_compile_policy() exactly this happens. Oopsable for CAP_NET_ADMIN owners. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: unix: fix inflight counting bug in garbage collectorMiklos Szeredi2008-11-09
|/ | | | | | | | | | | | | | | | | | | | | | | Previously I assumed that the receive queues of candidates don't change during the GC. This is only half true, nothing can be received from the queues (see comment in unix_gc()), but buffers could be added through the other half of the socket pair, which may still have file descriptors referring to it. This can result in inc_inflight_move_tail() erronously increasing the "inflight" counter for a unix socket for which dec_inflight() wasn't previously called. This in turn can trigger the "BUG_ON(total_refs < inflight_refs)" in a later garbage collection run. Fix this by only manipulating the "inflight" counter for sockets which are candidates themselves. Duplicating the file references in unix_attach_fds() is also needed to prevent a socket becoming a candidate for GC while the skb that contains it is not yet queued. Reported-by: Andrea Bittau <a.bittau@cs.ucl.ac.uk> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> CC: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2008-11-06
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: net: Fix recursive descent in __scm_destroy(). iwl3945: fix deadlock on suspend iwl3945: do not send scan command if channel count zero iwl3945: clear scanning bits upon failure ath5k: correct handling of rx status fields zd1211rw: Add 2 device IDs Fix logic error in rfkill_check_duplicity iwlagn: avoid sleep in softirq context iwlwifi: clear scanning bits upon failure Revert "ath5k: honor FIF_BCN_PRBRESP_PROMISC in STA mode" tcp: Fix recvmsg MSG_PEEK influence of blocking behavior. netfilter: netns ct: walk netns list under RTNL ipv6: fix run pending DAD when interface becomes ready net/9p: fix printk format warnings net: fix packet socket delivery in rx irq handler xfrm: Have af-specific init_tempsel() initialize family field of temporary selector
| * Merge branch 'master' of ↵David S. Miller2008-11-06
| |\ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
| | * Fix logic error in rfkill_check_duplicityJonathan McDowell2008-11-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | > I'll have a prod at why the [hso] rfkill stuff isn't working next Ok, I believe this is due to the addition of rfkill_check_duplicity in rfkill and the fact that test_bit actually returns a negative value rather than the postive one expected (which is of course equally true). So when the second WLAN device (the hso device, with the EEE PC WLAN being the first) comes along rfkill_check_duplicity returns a negative value and so rfkill_register returns an error. Patch below fixes this for me. Signed-Off-By: Jonathan McDowell <noodles@earth.li> Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | net: Fix recursive descent in __scm_destroy().David S. Miller2008-11-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | __scm_destroy() walks the list of file descriptors in the scm_fp_list pointed to by the scm_cookie argument. Those, in turn, can close sockets and invoke __scm_destroy() again. There is nothing which limits how deeply this can occur. The idea for how to fix this is from Linus. Basically, we do all of the fput()s at the top level by collecting all of the scm_fp_list objects hit by an fput(). Inside of the initial __scm_destroy() we keep running the list until it is empty. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | tcp: Fix recvmsg MSG_PEEK influence of blocking behavior.David S. Miller2008-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Vito Caputo noticed that tcp_recvmsg() returns immediately from partial reads when MSG_PEEK is used. In particular, this means that SO_RCVLOWAT is not respected. Simply remove the test. And this matches the behavior of several other systems, including BSD. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | netfilter: netns ct: walk netns list under RTNLAlexey Dobriyan2008-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | netns list (just list) is under RTNL. But helper and proto unregistration happen during rmmod when RTNL is not held, and that's how it was tested: modprobe/rmmod vs clone(CLONE_NEWNET)/exit. BUG: unable to handle kernel paging request at 0000000000100100 <=== IP: [<ffffffffa009890f>] nf_conntrack_l4proto_unregister+0x96/0xae [nf_conntrack] PGD 15e300067 PUD 15e1d8067 PMD 0 Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC last sysfs file: /sys/kernel/uevent_seqnum CPU 0 Modules linked in: nf_conntrack_proto_sctp(-) nf_conntrack_proto_dccp(-) af_packet iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_filter ip_tables xt_tcpudp ip6table_filter ip6_tables x_tables ipv6 sr_mod cdrom [last unloaded: nf_conntrack_proto_sctp] Pid: 16758, comm: rmmod Not tainted 2.6.28-rc2-netns-xfrm #3 RIP: 0010:[<ffffffffa009890f>] [<ffffffffa009890f>] nf_conntrack_l4proto_unregister+0x96/0xae [nf_conntrack] RSP: 0018:ffff88015dc1fec8 EFLAGS: 00010212 RAX: 0000000000000000 RBX: 00000000001000f8 RCX: 0000000000000000 RDX: ffffffffa009575c RSI: 0000000000000003 RDI: ffffffffa00956b5 RBP: ffff88015dc1fed8 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000000 R11: ffff88015dc1fe48 R12: ffffffffa0458f60 R13: 0000000000000880 R14: 00007fff4c361d30 R15: 0000000000000880 FS: 00007f624435a6f0(0000) GS:ffffffff80521580(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000100100 CR3: 0000000168969000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process rmmod (pid: 16758, threadinfo ffff88015dc1e000, task ffff880179864218) Stack: ffffffffa0459100 0000000000000000 ffff88015dc1fee8 ffffffffa0457934 ffff88015dc1ff78 ffffffff80253fef 746e6e6f635f666e 6f72705f6b636172 00707463735f6f74 ffffffff8024cb30 00000000023b8010 0000000000000000 Call Trace: [<ffffffffa0457934>] nf_conntrack_proto_sctp_fini+0x10/0x1e [nf_conntrack_proto_sctp] [<ffffffff80253fef>] sys_delete_module+0x19f/0x1fe [<ffffffff8024cb30>] ? trace_hardirqs_on_caller+0xf0/0x114 [<ffffffff803ea9b2>] ? trace_hardirqs_on_thunk+0x3a/0x3f [<ffffffff8020b52b>] system_call_fastpath+0x16/0x1b Code: 13 35 e0 e8 c4 6c 1a e0 48 8b 1d 6d c6 46 e0 eb 16 48 89 df 4c 89 e2 48 c7 c6 fc 85 09 a0 e8 61 cd ff ff 48 8b 5b 08 48 83 eb 08 <48> 8b 43 08 0f 18 08 48 8d 43 08 48 3d 60 4f 50 80 75 d3 5b 41 RIP [<ffffffffa009890f>] nf_conntrack_l4proto_unregister+0x96/0xae [nf_conntrack] RSP <ffff88015dc1fec8> CR2: 0000000000100100 ---[ end trace bde8ac82debf7192 ]--- Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | ipv6: fix run pending DAD when interface becomes readyBenjamin Thery2008-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With some net devices types, an IPv6 address configured while the interface was down can stay 'tentative' forever, even after the interface is set up. In some case, pending IPv6 DADs are not executed when the device becomes ready. I observed this while doing some tests with kvm. If I assign an IPv6 address to my interface eth0 (kvm driver rtl8139) when it is still down then the address is flagged tentative (IFA_F_TENTATIVE). Then, I set eth0 up, and to my surprise, the address stays 'tentative', no DAD is executed and the address can't be pinged. I also observed the same behaviour, without kvm, with virtual interfaces types macvlan and veth. Some easy steps to reproduce the issue with macvlan: 1. ip link add link eth0 type macvlan 2. ip -6 addr add 2003::ab32/64 dev macvlan0 3. ip addr show dev macvlan0 ... inet6 2003::ab32/64 scope global tentative ... 4. ip link set macvlan0 up 5. ip addr show dev macvlan0 ... inet6 2003::ab32/64 scope global tentative ... Address is still tentative I think there's a bug in net/ipv6/addrconf.c, addrconf_notify(): addrconf_dad_run() is not always run when the interface is flagged IF_READY. Currently it is only run when receiving NETDEV_CHANGE event. Looks like some (virtual) devices doesn't send this event when becoming up. For both NETDEV_UP and NETDEV_CHANGE events, when the interface becomes ready, run_pending should be set to 1. Patch below. 'run_pending = 1' could be moved below the if/else block but it makes the code less readable. Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | net/9p: fix printk format warningsRandy Dunlap2008-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix printk format warnings in net/9p. Built cleanly on 7 arches. net/9p/client.c:820: warning: format '%llx' expects type 'long long unsigned int', but argument 4 has type 'u64' net/9p/client.c:820: warning: format '%llx' expects type 'long long unsigned int', but argument 5 has type 'u64' net/9p/client.c:867: warning: format '%llx' expects type 'long long unsigned int', but argument 4 has type 'u64' net/9p/client.c:867: warning: format '%llx' expects type 'long long unsigned int', but argument 5 has type 'u64' net/9p/client.c:932: warning: format '%llx' expects type 'long long unsigned int', but argument 5 has type 'u64' net/9p/client.c:932: warning: format '%llx' expects type 'long long unsigned int', but argument 6 has type 'u64' net/9p/client.c:982: warning: format '%llx' expects type 'long long unsigned int', but argument 4 has type 'u64' net/9p/client.c:982: warning: format '%llx' expects type 'long long unsigned int', but argument 5 has type 'u64' net/9p/client.c:1025: warning: format '%llx' expects type 'long long unsigned int', but argument 4 has type 'u64' net/9p/client.c:1025: warning: format '%llx' expects type 'long long unsigned int', but argument 5 has type 'u64' net/9p/client.c:1227: warning: format '%llx' expects type 'long long unsigned int', but argument 7 has type 'u64' net/9p/client.c:1227: warning: format '%llx' expects type 'long long unsigned int', but argument 12 has type 'u64' net/9p/client.c:1227: warning: format '%llx' expects type 'long long unsigned int', but argument 8 has type 'u64' net/9p/client.c:1227: warning: format '%llx' expects type 'long long unsigned int', but argument 13 has type 'u64' net/9p/client.c:1252: warning: format '%llx' expects type 'long long unsigned int', but argument 7 has type 'u64' net/9p/client.c:1252: warning: format '%llx' expects type 'long long unsigned int', but argument 12 has type 'u64' net/9p/client.c:1252: warning: format '%llx' expects type 'long long unsigned int', but argument 8 has type 'u64' net/9p/client.c:1252: warning: format '%llx' expects type 'long long unsigned int', but argument 13 has type 'u64' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | net: fix packet socket delivery in rx irq handlerPatrick McHardy2008-11-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The changes to deliver hardware accelerated VLAN packets to packet sockets (commit bc1d0411) caused a warning for non-NAPI drivers. The __vlan_hwaccel_rx() function is called directly from the drivers RX function, for non-NAPI drivers that means its still in RX IRQ context: [ 27.779463] ------------[ cut here ]------------ [ 27.779509] WARNING: at kernel/softirq.c:136 local_bh_enable+0x37/0x81() ... [ 27.782520] [<c0264755>] netif_nit_deliver+0x5b/0x75 [ 27.782590] [<c02bba83>] __vlan_hwaccel_rx+0x79/0x162 [ 27.782664] [<f8851c1d>] atl1_intr+0x9a9/0xa7c [atl1] [ 27.782738] [<c0155b17>] handle_IRQ_event+0x23/0x51 [ 27.782808] [<c015692e>] handle_edge_irq+0xc2/0x102 [ 27.782878] [<c0105fd5>] do_IRQ+0x4d/0x64 Split hardware accelerated VLAN reception into two parts to fix this: - __vlan_hwaccel_rx just stores the VLAN TCI and performs the VLAN device lookup, then calls netif_receive_skb()/netif_rx() - vlan_hwaccel_do_receive(), which is invoked by netif_receive_skb() in softirq context, performs the real reception and delivery to packet sockets. Reported-and-tested-by: Ramon Casellas <ramon.casellas@cttc.es> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | xfrm: Have af-specific init_tempsel() initialize family field of temporary ↵Andreas Steffen2008-11-04
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | selector While adding MIGRATE support to strongSwan, Andreas Steffen noticed that the selectors provided in XFRM_MSG_ACQUIRE have their family field uninitialized (those in MIGRATE do have their family set). Looking at the code, this is because the af-specific init_tempsel() (called via afinfo->init_tempsel() in xfrm_init_tempsel()) do not set the value. Reported-by: Andreas Steffen <andreas.steffen@strongswan.org> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
* | Merge branch 'for-linus' of ↵Linus Torvalds2008-11-06
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: net/9p: fix printk format warnings unsigned fid->fid cannot be negative 9p: rdma: remove duplicated #include p9: Fix leak of waitqueue in request allocation path 9p: Remove unneeded free of fcall for Flush 9p: Make all client spin locks IRQ safe 9p: rdma: Set trans prior to requesting async connection ops
| * | net/9p: fix printk format warningsRandy Dunlap2008-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix printk format warnings in net/9p. Built cleanly on 7 arches. net/9p/client.c:820: warning: format '%llx' expects type 'long long unsigned int', but argument 4 has type 'u64' net/9p/client.c:820: warning: format '%llx' expects type 'long long unsigned int', but argument 5 has type 'u64' net/9p/client.c:867: warning: format '%llx' expects type 'long long unsigned int', but argument 4 has type 'u64' net/9p/client.c:867: warning: format '%llx' expects type 'long long unsigned int', but argument 5 has type 'u64' net/9p/client.c:932: warning: format '%llx' expects type 'long long unsigned int', but argument 5 has type 'u64' net/9p/client.c:932: warning: format '%llx' expects type 'long long unsigned int', but argument 6 has type 'u64' net/9p/client.c:982: warning: format '%llx' expects type 'long long unsigned int', but argument 4 has type 'u64' net/9p/client.c:982: warning: format '%llx' expects type 'long long unsigned int', but argument 5 has type 'u64' net/9p/client.c:1025: warning: format '%llx' expects type 'long long unsigned int', but argument 4 has type 'u64' net/9p/client.c:1025: warning: format '%llx' expects type 'long long unsigned int', but argument 5 has type 'u64' net/9p/client.c:1227: warning: format '%llx' expects type 'long long unsigned int', but argument 7 has type 'u64' net/9p/client.c:1227: warning: format '%llx' expects type 'long long unsigned int', but argument 12 has type 'u64' net/9p/client.c:1227: warning: format '%llx' expects type 'long long unsigned int', but argument 8 has type 'u64' net/9p/client.c:1227: warning: format '%llx' expects type 'long long unsigned int', but argument 13 has type 'u64' net/9p/client.c:1252: warning: format '%llx' expects type 'long long unsigned int', but argument 7 has type 'u64' net/9p/client.c:1252: warning: format '%llx' expects type 'long long unsigned int', but argument 12 has type 'u64' net/9p/client.c:1252: warning: format '%llx' expects type 'long long unsigned int', but argument 8 has type 'u64' net/9p/client.c:1252: warning: format '%llx' expects type 'long long unsigned int', but argument 13 has type 'u64' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| * | unsigned fid->fid cannot be negativeRoel Kluin2008-11-05
| | | | | | | | | | | | | | | Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| * | 9p: rdma: remove duplicated #includeHuang Weiyi2008-11-05
| | | | | | | | | | | | | | | | | | | | | | | | Removed duplicated #include <rdma/ib_verbs.h> in net/9p/trans_rdma.c. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| * | p9: Fix leak of waitqueue in request allocation pathTom Tucker2008-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a T or R fcall cannot be allocated, the function returns an error but neglects to free the wait queue that was successfully allocated. If it comes through again a second time this wq will be overwritten with a new allocation and the old allocation will be leaked. Also, if the client is subsequently closed, the close path will attempt to clean up these allocations, so set the req fields to NULL to avoid duplicate free. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| * | 9p: Remove unneeded free of fcall for FlushTom Tucker2008-11-05
| | | | | | | | | | | | | | | | | | | | | | | | T and R fcall are reused until the client is destroyed. There does not need to be a special case for Flush Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| * | 9p: Make all client spin locks IRQ safeTom Tucker2008-11-05
| | | | | | | | | | | | | | | | | | | | | | | | The client lock must be IRQ safe. Some of the lock acquisition paths took regular spin locks. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| * | 9p: rdma: Set trans prior to requesting async connection opsTom Tucker2008-11-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The RDMA connection manager is fundamentally asynchronous. Since the async callback context is the client pointer, the transport in the client struct needs to be set prior to calling the first async op. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* | | net: Fix recursive descent in __scm_destroy().David Miller2008-11-06
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | __scm_destroy() walks the list of file descriptors in the scm_fp_list pointed to by the scm_cookie argument. Those, in turn, can close sockets and invoke __scm_destroy() again. There is nothing which limits how deeply this can occur. The idea for how to fix this is from Linus. Basically, we do all of the fput()s at the top level by collecting all of the scm_fp_list objects hit by an fput(). Inside of the initial __scm_destroy() we keep running the list until it is empty. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2008-11-04
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: xfrm: Fix xfrm_policy_gc_lock handling. niu: Use pci_ioremap_bar(). bnx2x: Version Update bnx2x: Calling netif_carrier_off at the end of the probe bnx2x: PCI configuration bug on big-endian bnx2x: Removing the PMF indication when unloading mv643xx_eth: fix SMI bus access timeouts net: kconfig cleanup fs_enet: fix polling XFRM: copy_to_user_kmaddress() reports local address twice SMC91x: Fix compilation on some platforms. udp: Fix the SNMP counter of UDP_MIB_INERRORS udp: Fix the SNMP counter of UDP_MIB_INDATAGRAMS drivers/net/smc911x.c: Fix lockdep warning on xmit.
| * xfrm: Fix xfrm_policy_gc_lock handling.Alexey Dobriyan2008-11-03
| | | | | | | | | | | | | | | | | | | | | | | | From: Alexey Dobriyan <adobriyan@gmail.com> Based upon a lockdep trace by Simon Arlott. xfrm_policy_kill() can be called from both BH and non-BH contexts, so we have to grab xfrm_policy_gc_lock with BH disabling. Signed-off-by: David S. Miller <davem@davemloft.net>
| * XFRM: copy_to_user_kmaddress() reports local address twiceArnaud Ebalard2008-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While adding support for MIGRATE/KMADDRESS in strongSwan (as specified in draft-ebalard-mext-pfkey-enhanced-migrate-00), Andreas Steffen noticed that XFRMA_KMADDRESS attribute passed to userland contains the local address twice (remote provides local address instead of remote one). This bug in copy_to_user_kmaddress() affects only key managers that use native XFRM interface (key managers that use PF_KEY are not affected). For the record, the bug was in the initial changeset I posted which added support for KMADDRESS (13c1d18931ebb5cf407cb348ef2cd6284d68902d 'xfrm: MIGRATE enhancements (draft-ebalard-mext-pfkey-enhanced-migrate)'). Signed-off-by: Arnaud Ebalard <arno@natisbad.org> Reported-by: Andreas Steffen <andreas.steffen@strongswan.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * udp: Fix the SNMP counter of UDP_MIB_INERRORSWei Yongjun2008-11-03
| | | | | | | | | | | | | | | | | | | | UDP packets received in udpv6_recvmsg() are not only IPv6 UDP packets, but also have IPv4 UDP packets, so when do the counter of UDP_MIB_INERRORS in udpv6_recvmsg(), we should check whether the packet is a IPv6 UDP packet or a IPv4 UDP packet. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * udp: Fix the SNMP counter of UDP_MIB_INDATAGRAMSWei Yongjun2008-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If UDP echo is sent to xinetd/echo-dgram, the UDP reply will be received at the sender. But the SNMP counter of UDP_MIB_INDATAGRAMS will be not increased, UDP6_MIB_INDATAGRAMS will be increased instead. Endpoint A Endpoint B UDP Echo request -----------> (IPv4, Dst port=7) <---------- UDP Echo Reply (IPv4, Src port=7) This bug is come from this patch cb75994ec311b2cd50e5205efdcc0696abd6675d. It do counter UDP[6]_MIB_INDATAGRAMS until udp[v6]_recvmsg. Because xinetd used IPv6 socket to receive UDP messages, thus, when received UDP packet, the UDP6_MIB_INDATAGRAMS will be increased in function udpv6_recvmsg() even if the packet is a IPv4 UDP packet. This patch fixed the problem. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2008-11-02
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (33 commits) af_unix: netns: fix problem of return value IRDA: remove double inclusion of module.h udp: multicast packets need to check namespace net: add documentation for skb recycling key: fix setkey(8) policy set breakage bpa10x: free sk_buff with kfree_skb xfrm: do not leak ESRCH to user space net: Really remove all of LOOPBACK_TSO code. netfilter: nf_conntrack_proto_gre: switch to register_pernet_gen_subsys() netns: add register_pernet_gen_subsys/unregister_pernet_gen_subsys net: delete excess kernel-doc notation pppoe: Fix socket leak. gianfar: Don't reset TBI<->SerDes link if it's already up gianfar: Fix race in TBI/SerDes configuration at91_ether: request/free GPIO for PHY interrupt amd8111e: fix dma_free_coherent context atl1: fix vlan tag regression SMC91x: delete unused local variable "lp" myri10ge: fix stop/go mmio ordering bonding: fix panic when taking bond interface down before removing module ...
| * af_unix: netns: fix problem of return valueJianjun Kong2008-11-02
| | | | | | | | | | | | | | | | | | | | fix problem of return value net/unix/af_unix.c: unix_net_init() when error appears, it should return 'error', not always return 0. Signed-off-by: Jianjun Kong <jianjun@zeuux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * udp: multicast packets need to check namespaceEric Dumazet2008-11-02
| | | | | | | | | | | | | | | | Current UDP multicast delivery is not namespace aware. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Acked-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: add documentation for skb recyclingStephen Hemminger2008-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | Commit 04a4bb55bcf35b63d40fd2725e58599ff8310dd7 ("net: add skb_recycle_check() to enable netdriver skb recycling") added a method for network drivers to recycle skbuffs, but while use of this mechanism was documented in the commit message, it should really have been added as a docbook comment as well -- this patch does that. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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