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* [NET]: Rework dev_base via list_head (v3)Pavel Emelianov2007-05-03
| | | | | | | | | | | | Cleanup of dev_base list use, with the aim to simplify making device list per-namespace. In almost every occasion, use of dev_base variable and dev->next pointer could be easily replaced by for_each_netdev loop. A few most complicated places were converted to using first_netdev()/next_netdev(). Signed-off-by: Pavel Emelianov <xemul@openvz.org> Acked-by: Kirill Korotaev <dev@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AX25/NETROM/ROSE]: Convert to use modern wait queue APIRalf Baechle2007-04-26
| | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_copy_to_linear_data{_offset}Arnaldo Carvalho de Melo2007-04-26
| | | | | | | To clearly state the intent of copying to linear sk_buffs, _offset being a overly long variant but interesting for the sake of saving some bytes. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
* [SK_BUFF]: Introduce skb_copy_from_linear_data{_offset}Arnaldo Carvalho de Melo2007-04-26
| | | | | | | To clearly state the intent of copying from linear sk_buffs, _offset being a overly long variant but interesting for the sake of saving some bytes. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* [SK_BUFF]: More skb_put related conversions to skb_reset_transport_headerArnaldo Carvalho de Melo2007-04-26
| | | | | | | | This is similar to the skb_reset_network_header(), i.e. at the point we reset the transport header pointer/offset skb->tail is equal to skb->data. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_reset_transport_header(skb)Arnaldo Carvalho de Melo2007-04-26
| | | | | | | | | | | | | | | | For the common, open coded 'skb->h.raw = skb->data' operation, so that we can later turn skb->h.raw into a offset, reducing the size of struct sk_buff in 64bit land while possibly keeping it as a pointer on 32bit. This one touches just the most simple cases: skb->h.raw = skb->data; skb->h.raw = {skb_push|[__]skb_pull}() The next ones will handle the slightly more "complex" cases. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Introduce SIOCGSTAMPNS ioctl to get timestamps with nanosec resolutionEric Dumazet2007-04-26
| | | | | | | | | | Now network timestamps use ktime_t infrastructure, we can add a new ioctl() SIOCGSTAMPNS command to get timestamps in 'struct timespec'. User programs can thus access to nanosecond resolution. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> CC: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ROSE]: Socket locking is a great invention.Ralf Baechle2007-03-12
| | | | | | | Especially if you actually try to do it ;-) Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ROSE]: Remove ourselves from waitqueue when receiving a signalRalf Baechle2007-03-12
| | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] sysctl: remove insert_at_head from register_sysctlEric W. Biederman2007-02-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The semantic effect of insert_at_head is that it would allow new registered sysctl entries to override existing sysctl entries of the same name. Which is pain for caching and the proc interface never implemented. I have done an audit and discovered that none of the current users of register_sysctl care as (excpet for directories) they do not register duplicate sysctl entries. So this patch simply removes the support for overriding existing entries in the sys_sysctl interface since no one uses it or cares and it makes future enhancments harder. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: David Howells <dhowells@redhat.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Andi Kleen <ak@muc.de> Cc: Jens Axboe <axboe@kernel.dk> Cc: Corey Minyard <minyard@acm.org> Cc: Neil Brown <neilb@suse.de> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Jan Kara <jack@ucw.cz> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Mark Fasheh <mark.fasheh@oracle.com> Cc: David Chinner <dgc@sgi.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Patrick McHardy <kaber@trash.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] sysctl: rose: remove unnecessary insert_at_head flagEric W. Biederman2007-02-14
| | | | | | | | | | The sysctl numbers used are unique so setting the insert_at_head flag serves no semantic purpose. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] remove many unneeded #includes of sched.hTim Schmielau2007-02-14
| | | | | | | | | | | | | | | | | | | | | | | | After Al Viro (finally) succeeded in removing the sched.h #include in module.h recently, it makes sense again to remove other superfluous sched.h includes. There are quite a lot of files which include it but don't actually need anything defined in there. Presumably these includes were once needed for macros that used to live in sched.h, but moved to other header files in the course of cleaning it up. To ease the pain, this time I did not fiddle with any header files and only removed #includes from .c-files, which tend to cause less trouble. Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha, arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig, allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all configs in arch/arm/configs on arm. I also checked that no new warnings were introduced by the patch (actually, some warnings are removed that were emitted by unnecessarily included header files). Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] mark struct file_operations const 8Arjan van de Ven2007-02-12
| | | | | | | | | | | Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [NET] ROSE: Fix whitespace errors.YOSHIFUJI Hideaki2007-02-11
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AX.25]: Fix unchecked rose_add_loopback_neigh usesRalf Baechle2006-12-18
| | | | | | | | | rose_add_loopback_neigh uses kmalloc and the callers were ignoring the error value. Rewrite to let the caller deal with the allocation. This allows the use of static allocation of kmalloc use entirely. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AX.25]: Fix unchecked rose_add_loopback_node usesRalf Baechle2006-12-18
| | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AX.25]: Fix unchecked ax25_linkfail_register usesRalf Baechle2006-12-18
| | | | | | | | | ax25_linkfail_register uses kmalloc and the callers were ignoring the error value. Rewrite to let the caller deal with the allocation. This allows the use of static allocation of kmalloc use entirely. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AX.25]: Fix unchecked ax25_listen_register usesRalf Baechle2006-12-18
| | | | | | | | Fix ax25_listen_register to return something that's a sane error code, then all callers to use it. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AX.25]: Fix unchecked ax25_protocol_register uses.Ralf Baechle2006-12-18
| | | | | | | | | Replace ax25_protocol_register by ax25_register_pid which assumes the caller has done the memory allocation. This allows replacing the kmalloc allocations entirely by static allocations. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AX.25]: Mark all kmalloc users __must_checkRalf Baechle2006-12-18
| | | | | | | | | | The recent fix 0506d4068bad834aab1141b5dc5e748eb175c6b3 made obvious that error values were not being propagated through the AX.25 stack. To help with that this patch marks all kmalloc users in the AX.25, NETROM and ROSE stacks as __must_check. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ROSE] rose_add_loopback_node: propagate -EAlexey Dobriyan2006-12-03
| | | | | | | | David Binderman's icc logs: net/rose/rose_route.c(399): remark #593: variable "err" was set but never used Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ROSE] lockdep: fix false positiveRalf Baechle2006-07-12
| | | | | | | | | | ROSE network devices are virtual network devices encapsulating ROSE frames into AX.25 which will be sent through an AX.25 device, so form a special "super class" of normal net devices; split their locks off into a separate class since they always nest. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AX.25]: Use kzallocRalf Baechle2006-07-09
| | | | | | | Replace kzalloc instead of kmalloc + memset. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ROSE]: Try all routes when establishing a ROSE connections.Ralf Baechle2006-07-03
| | | | | | | | | | | From Jean-Paul F6FBB ROSE will only try to establish a route using the first route in its routing table. Fix to iterate through all additional routes if a connection attempt has failed. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ROSE]: Fix dereference of skb pointer after free.Ralf Baechle2006-07-03
| | | | | | | | | | | If rose_route_frame return success we'll dereference a stale pointer. Likely this is only going to result in bad statistics for the ROSE interface. This fixes coverity 946. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Remove obsolete #include <linux/config.h>Jörn Engel2006-06-30
| | | | | Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* [NETROM/ROSE]: Kill module init version kernel log messages.Ralf Baechle2006-05-05
| | | | | | | | | There are out of date and don't tell the user anything useful. The similar messages which IPV4 and the core networking used to output were killed a long time ago. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ROSE]: Eleminate HZ from ROSE kernel interfacesRalf Baechle2006-05-04
| | | | | | | Convert all ROSE sysctl time values from jiffies to ms as units. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ROSE]: Fix routing table locking in rose_remove_neigh.Ralf Baechle2006-05-04
| | | | | | | | | The locking rule for rose_remove_neigh() are that the caller needs to hold rose_neigh_list_lock, so we better don't take it yet again in rose_neigh_list_lock. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AX25, ROSE]: Remove useless SET_MODULE_OWNER calls.Ralf Baechle2006-05-04
| | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ROSE]: Remove useless prototype for rose_remove_neigh().Ralf Baechle2006-05-04
| | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] capable/capability.h (net/)Randy Dunlap2006-01-11
| | | | | | | | net: Use <linux/capability.h> where capable() is used. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [NET]: Add a dev_ioctl() fallback to sock_ioctl()Christoph Hellwig2006-01-03
| | | | | | | | | | | Currently all network protocols need to call dev_ioctl as the default fallback in their ioctl implementations. This patch adds a fallback to dev_ioctl to sock_ioctl if the protocol returned -ENOIOCTLCMD. This way all the procotol ioctl handlers can be simplified and we don't need to export dev_ioctl. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: kfree cleanupJesper Juhl2005-11-08
| | | | | | | | | | | | | | | From: Jesper Juhl <jesper.juhl@gmail.com> This is the net/ part of the big kfree cleanup patch. Remove pointless checks for NULL prior to calling kfree() in net/. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Arnaldo Carvalho de Melo <acme@conectiva.com.br> Acked-by: Marcel Holtmann <marcel@holtmann.org> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Andrew Morton <akpm@osdl.org>
* [ROSE]: rose_heartbeat_expiry() locking fixAndrew Morton2005-10-31
| | | | | | | Missing unlock, as noted by Ted Unangst <tedu@coverity.com>. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [AX.25]: Use constant instead of magic numberRalf Baechle2005-10-25
| | | | | Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [ROSE]: fix typo (regeistration)Alexey Dobriyan2005-09-27
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ROSE]: check rose_ndevs earlierAlexey Dobriyan2005-09-27
| | | | | | | | * Don't bother with proto registering if rose_ndevs is bad. * Make escape structure more coherent. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ROSE]: return sane -E* from rose_proto_init()Alexey Dobriyan2005-09-27
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ROSE]: do proto_unregister() on exit pathsAlexey Dobriyan2005-09-27
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ROSE]: ROSE has no ARPRalf Baechle2005-09-12
| | | | | | | | ARP over ROSE does not exist so it's obviously not implemented on any ROSE stack, so the ROSE interfaces really should default to IFF_NOARP. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AX.25/ROSE]: Whitespace formatting changesRalf Baechle2005-09-12
| | | | | | | Small formatting changes. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETROM/AX.25/ROSE]: Remove useless testsRalf Baechle2005-09-12
| | | | | | | Remove error tests that have already been performed by the caller. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AX.25]: Make asc2ax() thread-proofRalf Baechle2005-09-08
| | | | | | | | | | | | Asc2ax was still using a static buffer for all invocations which isn't exactly SMP-safe. Change asc2ax to take an additional result buffer as the argument. Change all callers to provide such a buffer. This one only really is a fix for ROSE and as per recent discussions there's still much more to fix in ROSE ... Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AX25]: Make ax2asc thread-proofRalf Baechle2005-09-06
| | | | | | | | | Ax2asc was still using a static buffer for all invocations which isn't exactly SMP-safe. Change ax2asc to take an additional result buffer as the argument. Change all callers to provide such a buffer. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AX25/NETROM/ROSE]: Kill net/ip.h inclusionRalf Baechle2005-08-29
| | | | | | | | All these are claiming to include <net/ip.h> to get ip_rcv() but in fact don't need the header at all, so away with the inclusion. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Move the tcp sock states to net/tcp_states.hArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | | Lots of places just needs the states, not even linux/tcp.h, where this enum was, needs it. This speeds up development of the refactorings as less sources are rebuilt when things get moved from net/tcp.h. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Kill skb->listDavid S. Miller2005-08-29
| | | | | | | | | | | | | | Remove the "list" member of struct sk_buff, as it is entirely redundant. All SKB list removal callers know which list the SKB is on, so storing this in sk_buff does nothing other than taking up some space. Two tricky bits were SCTP, which I took care of, and two ATM drivers which Francois Romieu <romieu@fr.zoreil.com> fixed up. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
* [ROSE]: Fix typo in rose_route_frame() locking fix.David S. Miller2005-08-23
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [ROSE]: Fix missing unlocks in rose_route_frame()David S. Miller2005-08-23
| | | | | | Noticed by Coverity checker. Signed-off-by: David S. Miller <davem@davemloft.net>
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