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* net, virtio_net: replace the magic valueZhi Yong Wu2013-11-18
| | | | | | | | | It is more appropriate to use # of queue pairs currently used by the driver instead of a magic value. Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ping: prevent NULL pointer dereference on write to msg_nameHannes Frederic Sowa2013-11-18
| | | | | | | | A plain read() on a socket does set msg->msg_name to NULL. So check for NULL pointer first. Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'bnx2x'David S. Miller2013-11-18
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | Yuval Mintz says: ==================== bnx2x: Bug fixes patch series This series contains several fixes, relating either to SR-IOV flows or to critical sections protected by the rtnl lock. Please consider applying these patches to `net'. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * bnx2x: Prevent "timeout waiting for state X"Dmitry Kravkov2013-11-18
| | | | | | | | | | | | | | | | | | | | | | Current driver release rtnl lock in between DCB re-configuration. As a result, other flows (e.g., mtu config) may enter in between and fail due to halted tx path for dcb configuration. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * bnx2x: prevent CFC attentionDmitry Kravkov2013-11-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During VF load, prior to sending messages on HW channel to PF the VF checks its bulletin board to see whether the PF indicated it has closed; If a closed PF is encountered, the VF skips sending the message. Due to incorrect return values, there's a possible scenario in which the VF finishes loading "successfully", while the PF hasn't actually fully configured FW/HW for the VFs supposed configuration. Once VF tries to send Tx packets, HW will raise an attention (and FW possibly will start treat the VF as malicious). The patch fails the loading process in such a scenario. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * bnx2x: Prevent panic during DMAE timeoutDmitry Kravkov2013-11-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If chip enters a recovery flow just after the driver issues a DMAE request the DMAE will timeout. Current code will cause a bnx2x_panic() as a result, which means interface will no longer be usable (regardless of the recovery results), as bnx2x_panic() is irreversible for the driver. As this is a possible flow, the panic should be reached only when driver is compiled with STOP_ON_ERROR. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * bnx2x: Clean the sp rtnl task upon unloadDmitry Kravkov2013-11-18
|/ | | | | | | | | | | While unloading, bnx2x needs to clean the sp_rtnl_state to prevent configuration made before the unload to be applied afterwards with stale values. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv6: Fix inet6_init() cleanup orderVlad Yasevich2013-11-18
| | | | | | | | | | | | | | | | Commit 6d0bfe22611602f36617bc7aa2ffa1bbb2f54c67 net: ipv6: Add IPv6 support to the ping socket introduced a change in the cleanup logic of inet6_init and has a bug in that ipv6_packet_cleanup() may not be called. Fix the cleanup ordering. CC: Hannes Frederic Sowa <hannes@stressinduktion.org> CC: Lorenzo Colitti <lorenzo@google.com> CC: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Vlad Yasevich <vyasevich@gmail.com> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* genetlink: rename shadowed variableJohannes Berg2013-11-18
| | | | | | | | | Sparse pointed out that the new flags variable I had added shadowed an existing one, rename the new one to avoid that, making the code clearer. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* inet: prevent leakage of uninitialized memory to user in recv syscallsHannes Frederic Sowa2013-11-18
| | | | | | | | | | | | | | | | Only update *addr_len when we actually fill in sockaddr, otherwise we can return uninitialized memory from the stack to the caller in the recvfrom, recvmmsg and recvmsg syscalls. Drop the the (addr_len == NULL) checks because we only get called with a valid addr_len pointer either from sock_common_recvmsg or inet_recvmsg. If a blocking read waits on a socket which is concurrently shut down we now return zero and set msg_msgnamelen to 0. Reported-by: mpb <mpb.mail@gmail.com> Suggested-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: ipv6: ndisc: Fix warning when CONFIG_SYSCTL=nFabio Estevam2013-11-18
| | | | | | | | | | | | When CONFIG_SYSCTL=n the following build warning happens: net/ipv6/ndisc.c:1730:1: warning: label 'out' defined but not used [-Wunused-label] The 'out' label is only used when CONFIG_SYSCTL=y, so move it inside the 'ifdef CONFIG_SYSCTL' block. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* xen-netfront: fix missing rx_refill_timer when allocate memory failedMa JieYue2013-11-18
| | | | | | | | | | | | | | | | | | There was a bug in xennet_alloc_rx_buffers, when allocating page or sk_buff failed, and at the same time rx_batch queue not empty, the rx_refill_timer timer won't be scheduled. If finally the remaining request buffers in rx ring less than what backend driver expected, the backend driver would think of rx ring as full and start dropping packets. In such situation, there is no way for the netfront driver to recover automatically, so that the device can not work properly. The patch fixes the problem by always scheduling rx_refill_timer timer when alloc_page or __netdev_alloc_skb fails, no matter whether rx_batch queue is empty or not. It ensures that the rx ring request buffers will finally meet the backend needs. Signed-off-by: Ma JieYue <jieyue.majy@alibaba-inc.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Handle CHECKSUM_COMPLETE more adequately in pskb_trim_rcsum().David S. Miller2013-11-15
| | | | | | | | | | | | | | | | Currently pskb_trim_rcsum() just balks on CHECKSUM_COMPLETE packets and remarks them as CHECKSUM_NONE, forcing a software checksum validation later. We have all of the mechanics available to fixup the skb->csum value, even for complicated fragmented packets, via the helpers skb_checksum() and csum_sub(). So just use them. Based upon a suggestion by Herbert Xu. Signed-off-by: David S. Miller <davem@davemloft.net>
* pkt_sched: fq: fix pacing for small framesEric Dumazet2013-11-15
| | | | | | | | | | | | | | | | | | | | | | | For performance reasons, sch_fq tried hard to not setup timers for every sent packet, using a quantum based heuristic : A delay is setup only if the flow exhausted its credit. Problem is that application limited flows can refill their credit for every queued packet, and they can evade pacing. This problem can also be triggered when TCP flows use small MSS values, as TSO auto sizing builds packets that are smaller than the default fq quantum (3028 bytes) This patch adds a 40 ms delay to guard flow credit refill. Fixes: afe4fd062416 ("pkt_sched: fq: Fair Queue packet scheduler") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Maciej Żenczykowski <maze@google.com> Cc: Willem de Bruijn <willemb@google.com> Cc: Yuchung Cheng <ycheng@google.com> Cc: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* pkt_sched: fq: warn users using defrateEric Dumazet2013-11-15
| | | | | | | | | | Commit 7eec4174ff29 ("pkt_sched: fq: fix non TCP flows pacing") obsoleted TCA_FQ_FLOW_DEFAULT_RATE without notice for the users. Suggested by David Miller Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* genetlink: unify registration functionsJohannes Berg2013-11-15
| | | | | | | | | | | | Now that the ops assignment is just two variables rather than a long list iteration etc., there's no reason to separately export __genl_register_family() and __genl_register_family_with_ops(). Unify the two functions into __genl_register_family() and make genl_register_family_with_ops() call it after assigning the ops. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* MAINTAINERS: Update Pegasus and RTL8150 repositories;Petko Manolov2013-11-15
| | | | | | | The diff is against latest 'net' repository; Signed-off-by: Petko Manolov <petkan@nucleusys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: ethernet: ti/cpsw: do not crash on single-MAC machines during resumeDaniel Mack2013-11-15
| | | | | | | | | | During resume, use for_each_slave to walk the slaves of the cpsw, and soft-reset each of them. This prevents oopses if there is only one slave configured. Signed-off-by: Daniel Mack <zonque@gmail.com> Acked-by: Mugunthan V N <mugunthanvnm@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'macvlan'David S. Miller2013-11-15
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Michal Kubecek says: ==================== macvlan: disable LRO on lowerdev instead of a macvlan A customer of ours encountered a problem with LRO on an ixgbe network card. Analysis showed that it was a known conflict of forwarding and LRO but the forwarding was enabled in an LXC container where only a macvlan was, not the ethernet device itself. I believe the solution is exactly the same as what we do for "normal" (802.1q) VLAN devices: if dev_disable_lro() is called for such device, LRO is disabled on the underlying "real" device instead. v2: adapt to changes merged from net-next v3: use BUG() in macvlan_dev_real_dev() if compiled without macvlan ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * macvlan: disable LRO on lower device instead of macvlanMichal Kubeček2013-11-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A macvlan device has always LRO disabled so that calling dev_disable_lro() on it does nothing. If we need to disable LRO e.g. because - the macvlan device is inserted into a bridge - IPv6 forwarding is enabled for it - it is in a different namespace than lowerdev and IPv4 forwarding is enabled in it we need to disable LRO on its underlying device instead (as we do for 802.1q VLAN devices). v2: use newly introduced netif_is_macvlan() Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
| * macvlan: introduce macvlan_dev_real_dev() helper functionMichal Kubeček2013-11-15
|/ | | | | | | | | | | | | | Introduce helper function macvlan_dev_real_dev which returns the underlying device of a macvlan device, similar to vlan_dev_real_dev() for 802.1q VLAN devices. v2: IFF_MACVLAN flag and equivalent of is_macvlan_dev() were introduced in the meantime v3: do BUG() if compiled without macvlan support Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
* bonding: add ip checks when store ip targetWang Weidong2013-11-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | I met a Bug when I add ip target with the wrong ip address: echo +500.500.500.500 > /sys/class/net/bond0/bonding/arp_ip_target the wrong ip address will transfor to 245.245.245.244 and add to the ip target success, it is uncorrect, so I add checks to avoid adding wrong address. The in4_pton() will set wrong ip address to 0.0.0.0, it will return by the next check and will not add to ip target. v2 According Veaceslav's opinion, simplify the code. v3 According Veaceslav's opinion, add broadcast check and make a micro definition to package it. v4 Solve the problem of the format which David point out. Suggested-by: Veaceslav Falico <vfalico@redhat.com> Suggested-by: David S. Miller <davem@davemloft.net> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6lowpan: Uncompression of traffic class field was incorrectJukka Rissanen2013-11-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If priority/traffic class field in IPv6 header is set (seen when using ssh), the uncompression sets the TC and Flow fields incorrectly. Example: This is IPv6 header of a sent packet. Note the priority/TC (=1) in the first byte. 00000000: 61 00 00 00 00 2c 06 40 fe 80 00 00 00 00 00 00 00000010: 02 02 72 ff fe c6 42 10 fe 80 00 00 00 00 00 00 00000020: 02 1e ab ff fe 4c 52 57 This gets compressed like this in the sending side 00000000: 72 31 04 06 02 1e ab ff fe 4c 52 57 ec c2 00 16 00000010: aa 2d fe 92 86 4e be c6 .... In the receiving end, the packet gets uncompressed to this IPv6 header 00000000: 60 06 06 02 00 2a 1e 40 fe 80 00 00 00 00 00 00 00000010: 02 02 72 ff fe c6 42 10 fe 80 00 00 00 00 00 00 00000020: ab ff fe 4c 52 57 ec c2 First four bytes are set incorrectly and we have also lost two bytes from destination address. The fix is to switch the case values in switch statement when checking the TC field. Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* tipc: fix dereference before check warningErik Hugne2013-11-15
| | | | | | | | | | | | This fixes the following Smatch warning: net/tipc/link.c:2364 tipc_link_recv_fragment() warn: variable dereferenced before check '*head' (see line 2361) A null pointer might be passed to skb_try_coalesce if a malicious sender injects orphan fragments on a link. Signed-off-by: Erik Hugne <erik.hugne@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv4: fix possible seqlock deadlockEric Dumazet2013-11-14
| | | | | | | | | | | | ip4_datagram_connect() being called from process context, it should use IP_INC_STATS() instead of IP_INC_STATS_BH() otherwise we can deadlock on 32bit arches, or get corruptions of SNMP counters. Fixes: 584bdf8cbdf6 ("[IPV4]: Fix "ipOutNoRoutes" counter error for TCP and UDP") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Dave Jones <davej@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net/hsr: Fix possible leak in 'hsr_get_node_status()'Geyslan G. Bem2013-11-14
| | | | | | | | If 'hsr_get_node_data()' returns error, going directly to 'fail' label doesn't free the memory pointed by 'skb_out'. Signed-off-by: Geyslan G. Bem <geyslan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'for-davem' of ↵David S. Miller2013-11-14
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless John W. Linville says: ==================== pull request: wireless 2013-11-14 Please pull this batch of fixes intended for the 3.13 stream! Amitkumar Karwar offers a quartet of mwifiex fixes, including an endian fix and three fixes for invalid memory access. Avinash Patil trims the packet length value for packets received from an SDIO interface. Colin Ian King fixes a NULL pointer dereference in the rtlwifi efuse code. Dan Carpenter cleans-up an mwifiex integer underflow, a potential libertas oops, a memory corrupion bug in wcn36xx, and a locking issue also in wcn36xx. Dan Williams helps prism54 devices to avoid being misclassified as Ethernet devices. Felipe Pena fixes a couple of typo errors, one in rt2x00 and the other in rtlwifi. Janusz Dziedzic corrects a pair of DFS-related problems in ath9k. Larry Finger patches three rtlwifi drivers to correctly report signal strength even for an unassociated AP. Mark Cave-Ayland rewrites some endian-illiterate packet type extraction code in rtlwifi. Stanislaw Gruszka addresses an rt2x00 regression related to setting HT station WCID and AMPDU density parameters. Sujith Manoharan corrects the initvals settings for AR9485. Ujjal Roy patches an obscure bit of code in mwifiex that was using the wrong definition of eth_hdr when briding patches in AP mode. Wei Yongjun fixes a couple of bugs: one is a return code handling bug in libertas; and, the other is a locking issue in wcn36xx. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * Merge branch 'master' of ↵John W. Linville2013-11-14
| |\ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
| | * prism54: set netdev type to "wlan"Dan Williams2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Userspace uses the netdev devtype for stuff like device naming and type detection. Be nice and set it. Remove the pointless #if/#endif around SET_NETDEV_DEV too. Signed-off-by: Dan Williams <dcbw@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * wcn36xx: missing unlocks on error pathsDan Carpenter2013-11-11
| | | | | | | | | | | | | | | | | | | | | There are several places which are missing unlocks. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * wcn36xx: Add missing unlock before returnWei Yongjun2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | Add the missing unlock before return from function wcn36xx_smd_update_proberesp_tmpl() in the error handling case. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * ath9k: Use correct PCIE initvals for AR9485Sujith Manoharan2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, the PLL is turned off for AR9485 when switching to a low power state, but AR9485 has an issue where the card will become unresponsive if left idle for a long time without any traffic. To fix this, force the PLL to always be on using a different initval array, ar9485_1_1_pll_on_cdr_on_clkreq_disable_L1. This is done for most of the AR9485 based cards like HB125, WB225 etc. but certain models require the feature to be turned off. Identify such cards and use default values for them. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * wcn36xx: harmless memory corruption bug in debugfsDan Carpenter2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | On 64 bit systems we write past the end of the arg[] array. Fixes: 8e84c2582169 ('wcn36xx: mac80211 driver for Qualcomm WCN3660/WCN3680 hardware') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * mwifiex: fix wrong eth_hdr usage for bridged packets in AP modeUjjal Roy2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The eth_hdr is never defined in this driver but it gets compiled without any warning/error because kernel has defined eth_hdr. Fix it by defining our own p_ethhdr and use it instead of eth_hdr. Cc: <stable@vger.kernel.org> # 3.7+ Signed-off-by: Ujjal Roy <royujjal@gmail.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * mwifiex: correct packet length for packets from SDIO interfaceAvinash Patil2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While receiving a packet on SDIO interface, we allocate skb with size multiple of SDIO block size. We need to resize this skb after RX using packet length from RX header. Cc: <stable@vger.kernel.org> Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * rtlwifi: rtl8192de: Fix incorrect signal strength for unassociated APLarry Finger2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The routine that processes received frames was returning the RSSI value for the signal strength; however, that value is available only for associated APs. As a result, the strength was the absurd value of 10 dBm. As a result, scans return incorrect values for the strength, which causes unwanted attempts to roam. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@vger.kernel.org> [3.1+] Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * rtlwifi: rtl8192cu: Fix incorrect signal strength for unassociated APLarry Finger2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The routine that processes received frames was returning the RSSI value for the signal strength; however, that value is available only for associated APs. As a result, the strength was the absurd value of 10 dBm. As a result, scans return incorrect values for the strength, which causes unwanted attempts to roam. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@vger.kernel.org> [2.6.39+] Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * rtlwifi: rtl8192se: Fix incorrect signal strength for unassociated APLarry Finger2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The routine that processes received frames was returning the RSSI value for the signal strength; however, that value is available only for associated APs. As a result, the strength was the absurd value of 10 dBm. As a result, scans return incorrect values for the strength, which causes unwanted attempts to roam. This patch fixes https://bugzilla.kernel.org/show_bug.cgi?id=63881. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Reported-by: Matthieu Baerts <matttbe@gmail.com> Cc: Stable <stable@vger.kernel.org> [3.0 +] Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * rtlwifi: Fix endian error in extracting packet typeMark Cave-Ayland2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All of the rtlwifi drivers have an error in the routine that tests if the data is "special". If it is, the subsequant transmission will be at the lowest rate to enhance reliability. The 16-bit quantity is big-endian, but was being extracted in native CPU mode. One of the effects of this bug is to inhibit association under some conditions as the TX rate is too high. Based on suggestions by Joe Perches, the entire routine is rewritten. One of the local headers contained duplicates of some of the ETH_P_XXX definitions. These are deleted. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Cc: Stable <stable@vger.kernel.org> [2.6.38+] Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * ath9k: dfs_debug fix possible NULL dereferenceJanusz Dziedzic2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix possible NULL (sc->dfs_detector) pointer dereference. Detected by Smatch: drivers/net/wireless/ath/ath9k/dfs_debug.c:67 read_file_dfs() error: we previously assumed 'sc->dfs_detector' could be null (see line 47) Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * ath9k: DFS radar use correct width enumJanusz Dziedzic2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | Use correct width enums when setup radar_detect_widths for DFS. Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * rt2x00: fix HT TX descriptor settings regressionStanislaw Gruszka2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since: commit 36323f817af0376c78612cfdab714b0feb05fea5 Author: Thomas Huehn <thomas@net.t-labs.tu-berlin.de> Date: Mon Jul 23 21:33:42 2012 +0200 mac80211: move TX station pointer and restructure TX we do not pass sta pointer to rt2x00queue_create_tx_descriptor_ht(), hence we do not correctly set station WCID and AMPDU density parameters. Cc: stable@vger.kernel.org # 3.7+ Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * libertas: fix error return code in if_cs_probe()Wei Yongjun2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | Fix to return -ENODEV in the unknown model error handling case instead of 0, as done elsewhere in this function. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * libertas: potential oops in debugfsDan Carpenter2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If we do a zero size allocation then it will oops. Also we can't be sure the user passes us a NUL terminated string so I've added a terminator. This code can only be triggered by root. Reported-by: Nico Golde <nico@ngolde.de> Reported-by: Fabian Yamaguchi <fabs@goesec.de> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * rtlwifi: fix null dereference on efuse_word on kmalloc fail returns NULLColin Ian King2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | kmalloc on efuse_word can return null, leading to free'ing of elements in efuse_word on the error exit path even though it has not been allocated. Instead, don't free the elements of efuse_word if kmalloc failed. Also, kmalloc of any of the arrays in efuse_word[] can also fail, leading to undefined contents in the remaining elements leading to problems when free'ing these elements later on. So kzalloc efuse_word to ensure the kfree on the remaining elements won't cause breakage. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * mwifiex: fix invalid memory access in mwifiex_update_autoindex_ies()Amitkumar Karwar2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While parsing TLVs, return failure if number of remaining bytes are less than current tlv length. This avoids invalid memory access. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * mwifiex: fix invalid memory access in mwifiex_ret_tx_rate_cfg()Amitkumar Karwar2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As tlv_buf_len is decremented at the end of the loop, we may have accessed invalid memory in the last iteration. Modify the while condition and add a break statement at the begining of the loop to fix the problem. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * mwifiex: fix invalid memory access in mwifiex_get_power_level()Amitkumar Karwar2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With "while (length)" check we may end up in accessing invalid memory in last iteration. This patch makes sure that tlv length is not less than the length of structure mwifiex_power_group when min/max power is calculated. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * mwifiex: replace u16 with __le16 in struct mwifiex_types_power_groupAmitkumar Karwar2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | __le16 to u16 conversion is missing for "pg_tlv_hdr->length" in mwifiex_get_power_level(). This creates a problem on big endian machines. It is resolved by changing definition of the structure and making required endianness changes. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * mwifiex: potential integer underflow in mwifiex_ret_wmm_get_status()Dan Carpenter2013-11-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Before we loop for next iteration we adjust the buffer pointer and "resp_len": curr += (tlv_len + sizeof(tlv_hdr->header)); resp_len -= (tlv_len + sizeof(tlv_hdr->header)); If "resp_len" gets set to negative then it counts as a high positive value. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
generated by cgit v1.2.2 (git 2.25.0) at 2025-08-27 21:00:30 -0400