- 29 Aug, 2017 13 commits
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Dan Carpenter authored
Both the nfp_net_pf_app_start() and the nfp_net_pci_probe() functions call nfp_net_pf_app_stop_ctrl(pf) so there is a double free. The free should be done from the probe function because it's allocated there so I have removed the call from nfp_net_pf_app_start(). Fixes: 02082701 ("nfp: create control vNICs and wire up rx/tx") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Acked-by:
Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Pavel Belous says: ==================== net:ethernet:aquantia: Atlantic driver Update 2017-08-23 This series contains updates for aQuantia Atlantic driver. It has bugfixes and some improvements. Changes in v2: - "MCP state change" fix removed (will be sent as a separate fix after further investigation.) ==================== Signed-off-by: -
Pavel Belous authored
We should inform user about wrong firmware version by printing message in dmesg. Fixes: 3d2ff7eebe26 ("net: ethernet: aquantia: Atlantic hardware abstraction layer") Signed-off-by:Pavel Belous <Pavel.Belous@aquantia.com> Signed-off-by:
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Igor Russkikh authored
Since the HW supports up to 32 multicast filters we should track count of multicast filters to avoid overflow. If we attempt to add >32 multicast filter - just set NETIF_ALLMULTI flag instead. Fixes: 94f6c9e4cdf6 ("net: ethernet: aquantia: Support for NIC-specific code") Signed-off-by:Igor Russkikh <Igor.Russkikh@aquantia.com> Signed-off-by:
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Pavel Belous authored
The driver choose the optimal interrupt throttling settings depends of current link speed. Due this bug link_status field from aq_hw is never updated and as result always used same interrupt throttling values. Fixes: 3d2ff7eebe26 ("net: ethernet: aquantia: Atlantic hardware abstraction layer") Signed-off-by: -
Pavel Belous authored
The hardware has the HW Checksum Offload bug when small TCP patckets (with length <= 60 bytes) has wrong "checksum valid" bit. The solution is - ignore checksum valid bit for small packets (with length <= 60 bytes) and mark this as CHECKSUM_NONE to allow network stack recalculate checksum itself. Fixes: ccf9a5ed14be ("net: ethernet: aquantia: Atlantic A0 and B0 specific functions.") Signed-off-by: -
Pavel Belous authored
The number of RSS queues should be not more than numbers of CPU. Its does not make sense to increase perfomance, and also cause problems on some motherboards. Fixes: 94f6c9e4cdf6 ("net: ethernet: aquantia: Support for NIC-specific code") Signed-off-by: -
Pavel Belous authored
This patch removes datapath spinlocks which does not perform any useful work. Fixes: 6e70637f9f1e ("net: ethernet: aquantia: Add ring support code") Signed-off-by: -
Benjamin Poirier authored
... which may happen with certain values of tp_reserve and maclen. Fixes: 58d19b19 ("packet: vnet_hdr support for tpacket_rcv") Signed-off-by:
Benjamin Poirier <bpoirier@suse.com> Cc: Willem de Bruijn <willemb@google.com> Acked-by:
Willem de Bruijn <willemb@google.com> Signed-off-by:
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Parthasarathy Bhuvaragan authored
For a bond slave device as a tipc bearer, the dev represents the bond interface and orig_dev represents the slave in tipc_l2_rcv_msg(). Since we decode the tipc_ptr from bonding device (dev), we fail to find the bearer and thus tipc links are not established. In this commit, we register the tipc protocol callback per device and look for tipc bearer from both the devices. Signed-off-by:
Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com> Signed-off-by:
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Xin Long authored
ChunYu found a kernel warn_on during syzkaller fuzzing: [40226.038539] WARNING: CPU: 5 PID: 23720 at net/ipv4/af_inet.c:152 inet_sock_destruct+0x78d/0x9a0 [40226.144849] Call Trace: [40226.147590] <IRQ> [40226.149859] dump_stack+0xe2/0x186 [40226.176546] __warn+0x1a4/0x1e0 [40226.180066] warn_slowpath_null+0x31/0x40 [40226.184555] inet_sock_destruct+0x78d/0x9a0 [40226.246355] __sk_destruct+0xfa/0x8c0 [40226.290612] rcu_process_callbacks+0xaa0/0x18a0 [40226.336816] __do_softirq+0x241/0x75e [40226.367758] irq_exit+0x1f6/0x220 [40226.371458] smp_apic_timer_interrupt+0x7b/0xa0 [40226.376507] apic_timer_interrupt+0x93/0xa0 The warn_on happned when sk->sk_rmem_alloc wasn't 0 in inet_sock_destruct. As after commit f970bd9e ("udp: implement memory accounting helpers"), udp has changed to use udp_destruct_sock as sk_destruct where it would udp_rmem_release all rmem. But IPV6_ADDRFORM sockopt sets sk_destruct with inet_sock_destruct after changing family to PF_INET. If rmem is not 0 at that time, and there is no place to release rmem before calling inet_sock_destruct, the warn_on will be triggered. This patch is to fix it by not setting sk_destruct in IPV6_ADDRFORM sockopt any more. As IPV6_ADDRFORM sockopt only works for tcp and udp. TCP sock has already set it's sk_destruct with inet_sock_destruct and UDP has set with udp_destruct_sock since they're created. Fixes: f970bd9e ("udp: implement memory accounting helpers") Reported-by:
ChunYu Wang <chunwang@redhat.com> Signed-off-by:
Xin Long <lucien.xin@gmail.com> Acked-by:
Paolo Abeni <pabeni@redhat.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsecDavid S. Miller authored
Steffen Klassert says: ==================== pull request (net): ipsec 2017-08-29 1) Fix dst_entry refcount imbalance when using socket policies. From Lorenzo Colitti. 2) Fix locking when adding the ESP trailers. 3) Fix tailroom calculation for the ESP trailer by using skb_tailroom instead of skb_availroom. 4) Fix some info leaks in xfrm_user. From Mathias Krause. Please pull or let me know if there are problems. ==================== Signed-off-by: -
Florian Fainelli authored
If we do not have a master network device attached dst->cpu_dp will be NULL and accessing cpu_dp->netdev will create a trace similar to the one below. The correct check is on dst->cpu_dp period. [ 1.004650] DSA: switch 0 0 parsed [ 1.008078] Unable to handle kernel NULL pointer dereference at virtual address 00000010 [ 1.016195] pgd = c0003000 [ 1.018918] [00000010] *pgd=80000000004003, *pmd=00000000 [ 1.024349] Internal error: Oops: 206 [#1] SMP ARM [ 1.029157] Modules linked in: [ 1.032228] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.13.0-rc6-00071-g45b45afab9bd-dirty #7 [ 1.040772] Hardware name: Broadcom STB (Flattened Device Tree) [ 1.046704] task: ee08f840 task.stack: ee090000 [ 1.051258] PC is at dsa_register_switch+0x5e0/0x9dc [ 1.056234] LR is at dsa_register_switch+0x5d0/0x9dc [ 1.061211] pc : [<c08fb28c>] lr : [<c08fb27c>] psr: 60000213 [ 1.067491] sp : ee091d88 ip : 00000000 fp : 0000000c [ 1.072728] r10: 00000000 r9 : 00000001 r8 : ee208010 [ 1.077965] r7 : ee2b57b0 r6 : ee2b5780 r5 : 00000000 r4 : ee208e0c [ 1.084506] r3 : 00000000 r2 : 00040d00 r1 : 2d1b2000 r0 : 00000016 [ 1.091050] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 1.098199] Control: 32c5387d Table: 00003000 DAC: fffffffd [ 1.103957] Process swapper/0 (pid: 1, stack limit = 0xee090210) Reported-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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- 28 Aug, 2017 23 commits
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Roopa Prabhu authored
current switchdev drivers dont seem to support offloading fdb entries pointing to the bridge device which have fdb->dst not set to any port. This patch adds a NULL fdb->dst check in the switchdev notifier code. This patch fixes the below NULL ptr dereference: $bridge fdb add 00:02:00:00:00:33 dev br0 self [ 69.953374] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 [ 69.954044] IP: br_switchdev_fdb_notify+0x29/0x80 [ 69.954044] PGD 66527067 [ 69.954044] P4D 66527067 [ 69.954044] PUD 7899c067 [ 69.954044] PMD 0 [ 69.954044] [ 69.954044] Oops: 0000 [#1] SMP [ 69.954044] Modules linked in: [ 69.954044] CPU: 1 PID: 3074 Comm: bridge Not tainted 4.13.0-rc6+ #1 [ 69.954044] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.7.5.1-0-g8936dbb-20141113_115728-nilsson.home.kraxel.org 04/01/2014 [ 69.954044] task: ffff88007b827140 task.stack: ffffc90001564000 [ 69.954044] RIP: 0010:br_switchdev_fdb_notify+0x29/0x80 [ 69.954044] RSP: 0018:ffffc90001567918 EFLAGS: 00010246 [ 69.954044] RAX: 0000000000000000 RBX: ffff8800795e0880 RCX: 00000000000000c0 [ 69.954044] RDX: ffffc90001567920 RSI: 000000000000001c RDI: ffff8800795d0600 [ 69.954044] RBP: ffffc90001567938 R08: ffff8800795d0600 R09: 0000000000000000 [ 69.954044] R10: ffffc90001567a88 R11: ffff88007b849400 R12: ffff8800795e0880 [ 69.954044] R13: ffff8800795d0600 R14: ffffffff81ef8880 R15: 000000000000001c [ 69.954044] FS: 00007f93d3085700(0000) GS:ffff88007fd00000(0000) knlGS:0000000000000000 [ 69.954044] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.954044] CR2: 0000000000000008 CR3: 0000000066551000 CR4: 00000000000006e0 [ 69.954044] Call Trace: [ 69.954044] fdb_notify+0x3f/0xf0 [ 69.954044] __br_fdb_add.isra.12+0x1a7/0x370 [ 69.954044] br_fdb_add+0x178/0x280 [ 69.954044] rtnl_fdb_add+0x10a/0x200 [ 69.954044] rtnetlink_rcv_msg+0x1b4/0x240 [ 69.954044] ? skb_free_head+0x21/0x40 [ 69.954044] ? rtnl_calcit.isra.18+0xf0/0xf0 [ 69.954044] netlink_rcv_skb+0xed/0x120 [ 69.954044] rtnetlink_rcv+0x15/0x20 [ 69.954044] netlink_unicast+0x180/0x200 [ 69.954044] netlink_sendmsg+0x291/0x370 [ 69.954044] ___sys_sendmsg+0x180/0x2e0 [ 69.954044] ? filemap_map_pages+0x2db/0x370 [ 69.954044] ? do_wp_page+0x11d/0x420 [ 69.954044] ? __handle_mm_fault+0x794/0xd80 [ 69.954044] ? vma_link+0xcb/0xd0 [ 69.954044] __sys_sendmsg+0x4c/0x90 [ 69.954044] SyS_sendmsg+0x12/0x20 [ 69.954044] do_syscall_64+0x63/0xe0 [ 69.954044] entry_SYSCALL64_slow_path+0x25/0x25 [ 69.954044] RIP: 0033:0x7f93d2bad690 [ 69.954044] RSP: 002b:00007ffc7217a638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 69.954044] RAX: ffffffffffffffda RBX: 00007ffc72182eac RCX: 00007f93d2bad690 [ 69.954044] RDX: 0000000000000000 RSI: 00007ffc7217a670 RDI: 0000000000000003 [ 69.954044] RBP: 0000000059a1f7f8 R08: 0000000000000006 R09: 000000000000000a [ 69.954044] R10: 00007ffc7217a400 R11: 0000000000000246 R12: 00007ffc7217a670 [ 69.954044] R13: 00007ffc72182a98 R14: 00000000006114c0 R15: 00007ffc72182aa0 [ 69.954044] Code: 1f 00 66 66 66 66 90 55 48 89 e5 48 83 ec 20 f6 47 20 04 74 0a 83 fe 1c 74 09 83 fe 1d 74 2c c9 66 90 c3 48 8b 47 10 48 8d 55 e8 <48> 8b 70 08 0f b7 47 1e 48 83 c7 18 48 89 7d f0 bf 03 00 00 00 [ 69.954044] RIP: br_switchdev_fdb_notify+0x29/0x80 RSP: ffffc90001567918 [ 69.954044] CR2: 0000000000000008 [ 69.954044] ---[ end trace 03e9eec4a82c238b ]--- Fixes: 6b26b51b ("net: bridge: Add support for notifying devices about FDB add/del") Signed-off-by:
Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by:
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Xin Long authored
Now it doesn't check for the cached route expiration in ipv6's dst_ops->check(), because it trusts dst_gc that would clean the cached route up when it's expired. The problem is in dst_gc, it would clean the cached route only when it's refcount is 1. If some other module (like xfrm) keeps holding it and the module only release it when dst_ops->check() fails. But without checking for the cached route expiration, .check() may always return true. Meanwhile, without releasing the cached route, dst_gc couldn't del it. It will cause this cached route never to expire. This patch is to set dst.obsolete with DST_OBSOLETE_KILL in .gc when it's expired, and check obsolete != DST_OBSOLETE_FORCE_CHK in .check. Note that this is even needed when ipv6 dst_gc timer is removed one day. It would set dst.obsolete in .redirect and .update_pmtu instead, and check for cached route expiration when getting it, just like what ipv4 route does. Reported-by:
Jianlin Shi <jishi@redhat.com> Signed-off-by:
Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by:
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Wei Wang authored
Commit c5cff856 adds rcu grace period before freeing fib6_node. This generates a new sparse warning on rt->rt6i_node related code: net/ipv6/route.c:1394:30: error: incompatible types in comparison expression (different address spaces) ./include/net/ip6_fib.h:187:14: error: incompatible types in comparison expression (different address spaces) This commit adds "__rcu" tag for rt6i_node and makes sure corresponding rcu API is used for it. After this fix, sparse no longer generates the above warning. Fixes: c5cff856 ("ipv6: add rcu grace period before freeing fib6_node") Signed-off-by:
Wei Wang <weiwan@google.com> Acked-by:
Eric Dumazet <edumazet@google.com> Acked-by:
Martin KaFai Lau <kafai@fb.com> Signed-off-by:
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Stefano Brivio authored
Passing commands for logging to t4_record_mbox() with size MBOX_LEN, when the actual command size is actually smaller, causes out-of-bounds stack accesses in t4_record_mbox() while copying command words here: for (i = 0; i < size / 8; i++) entry->cmd[i] = be64_to_cpu(cmd[i]); Up to 48 bytes from the stack are then leaked to debugfs. This happens whenever we send (and log) commands described by structs fw_sched_cmd (32 bytes leaked), fw_vi_rxmode_cmd (48), fw_hello_cmd (48), fw_bye_cmd (48), fw_initialize_cmd (48), fw_reset_cmd (48), fw_pfvf_cmd (32), fw_eq_eth_cmd (16), fw_eq_ctrl_cmd (32), fw_eq_ofld_cmd (32), fw_acl_mac_cmd(16), fw_rss_glb_config_cmd(32), fw_rss_vi_config_cmd(32), fw_devlog_cmd(32), fw_vi_enable_cmd(48), fw_port_cmd(32), fw_sched_cmd(32), fw_devlog_cmd(32). The cxgb4vf driver got this right instead. When we call t4_record_mbox() to log a command reply, a MBOX_LEN size can be used though, as get_mbox_rpl() will fill cmd_rpl up completely. Fixes: 7f080c3f ("cxgb4: Add support to enable logging of firmware mailbox commands") Signed-off-by:
Stefano Brivio <sbrivio@redhat.com> Signed-off-by:
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Maxime Ripard authored
Since the bindings have been controversial, and we follow the DT stable ABI rule, we shouldn't let a driver with a DT binding that might change slip through in a stable release. Remove the compatibles to make sure the driver will not probe and no-one will start using the binding currently implemented. This commit will obviously need to be reverted in due time. Signed-off-by:
Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by:
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David S. Miller authored
Pieter Jansen van Vuuren says: ==================== nfp: fix layer calculation and flow dissector use Previously when calculating the supported key layers MPLS, IPv4/6 TTL and TOS were not considered. Formerly flow dissectors were referenced without first checking that they are in use and correctly populated by TC. Additionally this patch set fixes the incorrect use of mask field for vlan matching. ==================== Signed-off-by: -
Pieter Jansen van Vuuren authored
Previously the vlan tci field was incorrectly exact matched. This patch fixes this by using the flow dissector to populate the vlan tci field. Fixes: 5571e8c9 ("nfp: extend flower matching capabilities") Signed-off-by:
Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com> Reviewed-by:
Simon Horman <simon.horman@netronome.com> Signed-off-by:
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Pieter Jansen van Vuuren authored
Previously when calculating the supported key layers MPLS, IPv4/6 TTL and TOS were not considered. This patch checks that the TTL and TOS fields are masked out before offloading. Additionally this patch checks that MPLS packets are correctly handled, by not offloading them. Fixes: af9d842c ("nfp: extend flower add flow offload") Signed-off-by:
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Pieter Jansen van Vuuren authored
Previously flow dissectors were referenced without first checking that they are in use and correctly populated by TC. This patch fixes this by checking each flow dissector key before referencing them. Fixes: 5571e8c9 ("nfp: extend flower matching capabilities") Signed-off-by:
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David S. Miller authored
Guillaume Nault says: ==================== l2tp: fix some l2tp_tunnel_find() issues in l2tp_netlink Since l2tp_tunnel_find() doesn't take a reference on the tunnel it returns, its users are almost guaranteed to be racy. This series defines l2tp_tunnel_get() which can be used as a safe replacement, and converts some of l2tp_tunnel_find() users in the l2tp_netlink module. Other users often combine this issue with other more or less subtle races. They will be fixed incrementally in followup series. ==================== Signed-off-by: -
Guillaume Nault authored
Use l2tp_tunnel_get() to retrieve tunnel, so that it can't go away on us. Otherwise l2tp_tunnel_destruct() might release the last reference count concurrently, thus freeing the tunnel while we're using it. Fixes: 309795f4 ("l2tp: Add netlink control API for L2TP") Signed-off-by:
Guillaume Nault <g.nault@alphalink.fr> Signed-off-by:
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Guillaume Nault authored
Use l2tp_tunnel_get() instead of l2tp_tunnel_find() so that we get a reference on the tunnel, preventing l2tp_tunnel_destruct() from freeing it from under us. Also move l2tp_tunnel_get() below nlmsg_new() so that we only take the reference when needed. Fixes: 309795f4 ("l2tp: Add netlink control API for L2TP") Signed-off-by:
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Guillaume Nault authored
We need to make sure the tunnel is not going to be destroyed by l2tp_tunnel_destruct() concurrently. Fixes: 309795f4 ("l2tp: Add netlink control API for L2TP") Signed-off-by:
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Guillaume Nault authored
l2tp_nl_cmd_tunnel_delete() needs to take a reference on the tunnel, to prevent it from being concurrently freed by l2tp_tunnel_destruct(). Fixes: 309795f4 ("l2tp: Add netlink control API for L2TP") Signed-off-by:
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Guillaume Nault authored
l2tp_tunnel_find() doesn't take a reference on the returned tunnel. Therefore, it's unsafe to use it because the returned tunnel can go away on us anytime. Fix this by defining l2tp_tunnel_get(), which works like l2tp_tunnel_find(), but takes a reference on the returned tunnel. Caller then has to drop this reference using l2tp_tunnel_dec_refcount(). As l2tp_tunnel_dec_refcount() needs to be moved to l2tp_core.h, let's simplify the patch and not move the L2TP_REFCNT_DEBUG part. This code has been broken (not even compiling) in May 2012 by commit a4ca44fa ("net: l2tp: Standardize logging styles") and fixed more than two years later by commit 29abe2fd ("l2tp: fix missing line continuation"). So it doesn't appear to be used by anyone. Same thing for l2tp_tunnel_free(); instead of moving it to l2tp_core.h, let's just simplify things and call kfree_rcu() directly in l2tp_tunnel_dec_refcount(). Extra assertions and debugging code provided by l2tp_tunnel_free() didn't help catching any of the reference counting and socket handling issues found while working on this series. Fixes: 309795f4 ("l2tp: Add netlink control API for L2TP") Signed-off-by:
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Guillaume Nault authored
Sessions must be fully initialised before calling l2tp_session_add_to_tunnel(). Otherwise, there's a short time frame where partially initialised sessions can be accessed by external users. Fixes: dbdbc73b ("l2tp: fix duplicate session creation") Signed-off-by:
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Antoine Tenart authored
The mac address is only retrieved from h/w when using PPv2.1. Otherwise the variable holding it is still checked and used if it contains a valid value. As the variable isn't initialized to an invalid mac address value, we end up with random mac addresses which can be the same for all the ports handled by this PPv2 driver. Fixes this by initializing the h/w mac address variable to {0}, which is an invalid mac address value. This way the random assignation fallback is called and all ports end up with their own addresses. Signed-off-by:Antoine Tenart <antoine.tenart@free-electrons.com> Fixes: 26975821 ("net: mvpp2: handle misc PPv2.1/PPv2.2 differences") Signed-off-by:
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Aleksander Morgado authored
The u-blox TOBY-L4 is a LTE Advanced (Cat 6) module with HSPA+ and 2G fallback. Unlike the TOBY-L2, this module has one single USB layout and exposes several TTYs for control and a NCM interface for data. Connecting this module may be done just by activating the desired PDP context with 'AT+CGACT=1,<cid>' and then running DHCP on the NCM interface. Signed-off-by:
Aleksander Morgado <aleksander@aleksander.es> Signed-off-by:
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Jesper Dangaard Brouer authored
Noticed that busy_poll_stop() also invoke the drivers napi->poll() function pointer, but didn't have an associated call to trace_napi_poll() like all other call sites. Signed-off-by:
Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by:
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Mathias Krause authored
The memory reserved to dump the ID of the xfrm state includes a padding byte in struct xfrm_usersa_id added by the compiler for alignment. To prevent the heap info leak, memset(0) the sa_id before filling it. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Fixes: d51d081d ("[IPSEC]: Sync series - user") Signed-off-by:
Mathias Krause <minipli@googlemail.com> Signed-off-by:
Steffen Klassert <steffen.klassert@secunet.com>
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Mathias Krause authored
The memory reserved to dump the expired xfrm state includes padding bytes in struct xfrm_user_expire added by the compiler for alignment. To prevent the heap info leak, memset(0) the remainder of the struct. Initializing the whole structure isn't needed as copy_to_user_state() already takes care of clearing the padding bytes within the 'state' member. Signed-off-by:
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Mathias Krause authored
The memory reserved to dump the ID of the xfrm state includes a padding byte in struct xfrm_usersa_id added by the compiler for alignment. To prevent the heap info leak, memset(0) the whole struct before filling it. Cc: Herbert Xu <herbert@gondor.apana.org.au> Fixes: 0603eac0 ("[IPSEC]: Add XFRMA_SA/XFRMA_POLICY for delete notification") Signed-off-by:
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Mathias Krause authored
The memory reserved to dump the xfrm offload state includes padding bytes of struct xfrm_user_offload added by the compiler for alignment. Add an explicit memset(0) before filling the buffer to avoid the heap info leak. Cc: Steffen Klassert <steffen.klassert@secunet.com> Fixes: d77e38e6 ("xfrm: Add an IPsec hardware offloading API") Signed-off-by:
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- 26 Aug, 2017 4 commits
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David S. Miller authored
Merge tag 'wireless-drivers-for-davem-2017-08-25' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers Kalle Valo says: ==================== wireless-drivers fixes for 4.13 Only one iwlwifi patch this time. iwlwifi * fix multiple times reported lockdep warning found by new locking annotation introduced in v4.13-rc1 ==================== Signed-off-by:
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Paolo Abeni authored
Currently, in the udp6 code, the dst cookie is not initialized/updated concurrently with the RX dst used by early demux. As a result, the dst_check() in the early_demux path always fails, the rx dst cache is always invalidated, and we can't really leverage significant gain from the demux lookup. Fix it adding udp6 specific variant of sk_rx_dst_set() and use it to set the dst cookie when the dst entry is really changed. The issue is there since the introduction of early demux for ipv6. Fixes: 5425077d ("net: ipv6: Add early demux handler for UDP unicast") Acked-by:
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Christophe Jaillet authored
Check memory allocation failure and return -ENOMEM in such a case, as already done few lines below for another memory allocation. Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by:
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David S. Miller authored
Florian Fainelli says: ==================== r8169: Be drop monitor friendly First patch may be questionable but no other driver appears to be doing that and while it is defendable to account for left packets as dropped during TX clean, this appears misleading. I picked Stanislaw changes which brings us back to 2010, but this was present from pre-git days as well. Second patch fixes the two missing calls to dev_consume_skb_any(). ==================== Signed-off-by:
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