linux_dsm_epyc7002/drivers/net/ethernet
Rakesh Pandit 2c041afc5a net: alx: handle pci_alloc_irq_vectors return correctly
It was introduced while switching to pci_alloc_irq_vectors recently
and fixes:

[   60.527052] alx 0000:03:00.0 enp3s0: Enabling MSI-X interrupts failed!
[   60.529323] BUG: unable to handle kernel NULL pointer dereference at 00000000000000b8
[   60.531589] IP: alx_alloc_napis+0xe6/0x1e0 [alx]
[   60.533831] PGD 0
[   60.533833] P4D 0

[   60.540559] Oops: 0002 [#1] SMP
[   60.542759] Modules linked in: ebtables ip6table_filter ip6_tables.....
[   60.549990]  drm_kms_helper drm crc32c_intel alx serio_raw mdio wmi video i2c_hid uas usb_storage
[   60.551404] CPU: 0 PID: 999 Comm: NetworkManager Not tainted 4.11.0+ #1
[   60.552813] Hardware name: Acer Predator G9-591/Mustang_SLS, BIOS V1.10 03/03/2016
[   60.554219] task: ffff8804ae833c00 task.stack: ffffc90003eec000
[   60.555383] RIP: 0010:alx_alloc_napis+0xe6/0x1e0 [alx]
[   60.556615] RSP: 0018:ffffc90003eef660 EFLAGS: 00010286
[   60.557787] RAX: ffff8804962835a0 RBX: ffff8804aee8a8c0 RCX: 0000000000000000
[   60.558987] RDX: 0000000000000060 RSI: 0000000000000000 RDI: ffff880496283600
[   60.559979] RBP: ffffc90003eef688 R08: ffff8804c1c1e7e0 R09: ffff8804962835a0
[   60.560978] R10: ffff8804962835a0 R11: 0000000000000102 R12: 0000000000000000
[   60.561974] R13: 0000000000000000 R14: ffff8804aee8aaf0 R15: ffffffffa0052ea0
[   60.562974] FS:  00007f1cecbc9940(0000) GS:ffff8804c1c00000(0000) knlGS:0000000000000000
[   60.564003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.564884] CR2: 00000000000000b8 CR3: 0000000496025000 CR4: 00000000003406f0
[   60.565782] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   60.566676] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   60.567560] Call Trace:
[   60.568500]  __alx_open+0xa2/0x570 [alx]
[   60.569355]  ? notifier_call_chain+0x4a/0x70
[   60.570144]  alx_open+0x17/0x20 [alx]
[   60.570909]  __dev_open+0xc6/0x140
[   60.571682]  ? _raw_spin_unlock_bh+0x1a/0x20
[   60.572469]  __dev_change_flags+0x9d/0x160
[   60.573252]  dev_change_flags+0x29/0x60
[   60.574070]  do_setlink+0x32e/0xc90
[   60.574815]  ? ttwu_do_activate+0x77/0x80
[   60.575544]  ? drm_fb_helper_dirty.isra.17+0xc7/0xe0 [drm_kms_helper]
[   60.576273]  ? drm_fb_helper_cfb_imageblit+0x30/0x40 [drm_kms_helper]
[   60.577004]  ? bit_putcs+0x2f7/0x560
[   60.577729]  ? nla_parse+0x35/0x140
[   60.578518]  rtnl_newlink+0x7d3/0x900
[   60.579280]  ? security_capset+0x30/0x80
[   60.580029]  ? ns_capable_common+0x68/0x80
[   60.580747]  ? ns_capable+0x13/0x20
[   60.581453]  rtnetlink_rcv_msg+0xee/0x220
[   60.582198]  ? rtnl_newlink+0x900/0x900
[   60.582909]  netlink_rcv_skb+0xe7/0x120
[   60.583601]  rtnetlink_rcv+0x28/0x30
[   60.584303]  netlink_unicast+0x18c/0x220
[   60.585002]  netlink_sendmsg+0x2ba/0x3b0
[   60.585703]  sock_sendmsg+0x38/0x50
[   60.586436]  ___sys_sendmsg+0x2b6/0x2d0
[   60.587123]  ? lockref_put_or_lock+0x5e/0x80
[   60.587822]  ? dput+0x155/0x1d0
[   60.588518]  ? mntput+0x24/0x40
[   60.589215]  __sys_sendmsg+0x54/0x90
[   60.589907]  ? __sys_sendmsg+0x54/0x90
[   60.590627]  SyS_sendmsg+0x12/0x20
[   60.591333]  entry_SYSCALL_64_fastpath+0x1a/0xa5
[   60.592021] RIP: 0033:0x7f1ceb44e3b0
[   60.592697] RSP: 002b:00007fffd7f0a2d0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e
[   60.593385] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1ceb44e3b0
[   60.594107] RDX: 0000000000000000 RSI: 00007fffd7f0a380 RDI: 000000000000000c
[   60.594798] RBP: 00007fffd7f0a800 R08: 0000000000000000 R09: 0000000000000000
[   60.595502] R10: 0000564ffbae6e20 R11: 0000000000000293 R12: 0000000000000001
[   60.596200] R13: 0000000000000002 R14: 0000000000000010 R15: 00007fffd7f0a4d0
[   60.596899] Code: ed 85 c9 0f 8f ec 00 00 00 48 8b 3d 9d 97 1a e2 ba 50 00 00 00 be c0 80 40 01 4c 8b a3 30 02 00 00 e8 ff e5 1d e1 48 85 c0 74 a3 <49> 89 84 24 b8 00 00 00 48 8b 93 30 02 00 00 48 8b 4b 08 48 89
[   60.597642] RIP: alx_alloc_napis+0xe6/0x1e0 [alx] RSP: ffffc90003eef660
[   60.598427] CR2: 00000000000000b8

Fixes: f3297f68 ("net: alx: switch to pci_alloc_irq_vectors")
Signed-off-by: Rakesh Pandit <rakesh@tuxera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-05 14:52:03 -04:00
..
3com net: typhoon: Use net_device_stats from struct net_device 2017-04-07 07:03:33 -07:00
8390
adaptec
adi net: bfin_mac: Remove unused stats member from struct bfin_mac_local 2017-03-27 16:01:59 -07:00
aeroflex
agere
alacritech
allwinner
alteon
altera
amazon net/ena: switch to pci_alloc_irq_vectors 2017-04-11 11:16:03 -04:00
amd net: nmlan_cs: Use net_device_stats from struct net_device 2017-04-07 07:03:33 -07:00
apm drivers: net: xgene-v2: Fix error return code in xge_mdio_config() 2017-04-25 13:48:06 -04:00
apple
aquantia aquantia: Fix driver name reported by ethtool 2017-05-04 11:07:20 -04:00
arc net: arc_emac: switch to phy_start()/phy_stop() 2017-04-21 15:23:52 -04:00
atheros net: alx: handle pci_alloc_irq_vectors return correctly 2017-05-05 14:52:03 -04:00
aurora
broadcom tg3: don't clear stats while tg3_close 2017-05-03 09:51:25 -04:00
brocade bna: avoid writing uninitialized data into hw registers 2017-03-24 12:49:12 -07:00
cadence net: macb: fix phy interrupt parsing 2017-04-30 22:21:49 -04:00
calxeda
cavium net: thunderx: Optimize page recycling for XDP 2017-05-02 15:41:22 -04:00
chelsio Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-05-02 16:40:27 -07:00
cirrus net: cx89x0: move attribute declaration before struct keyword 2017-04-18 16:00:34 -04:00
cisco
davicom
dec net: tulip: de2104x: Use net_device_stats from struct net_device 2017-04-07 07:03:33 -07:00
dlink net: dl2k: Use net_device_stats from struct net_device 2017-04-07 07:03:33 -07:00
emulex benet: Use time_before_eq for time comparison 2017-05-01 11:12:46 -04:00
ezchip Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-06 08:24:51 -07:00
faraday ftgmac100: Fix potential ordering issue in NAPI poll 2017-04-18 14:11:09 -04:00
freescale Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2017-05-02 19:09:35 -07:00
fujitsu
hisilicon net: hns: fix ethtool_get_strings overflow in hns driver 2017-05-02 15:08:21 -04:00
hp
i825xx
ibm ibmvnic: Move queue restarting in ibmvnic_tx_complete 2017-05-03 11:33:06 -04:00
intel Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue 2017-04-30 11:33:37 -04:00
marvell sky2: Use seq_puts() in sky2_debug_show() 2017-04-18 13:55:11 -04:00
mediatek Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-20 10:35:33 -04:00
mellanox mlxsw: spectrum_router: Simplify VRF enslavement 2017-05-01 11:47:58 -04:00
micrel
microchip
moxa net: moxa: Use net_device_stats from struct net_device 2017-04-07 07:03:33 -07:00
myricom
natsemi
neterion
netronome xdp: use common helper for netlink extended ack reporting 2017-05-03 09:51:24 -04:00
nuvoton net: nuvoton: Use net_device_stats from struct net_device 2017-04-07 07:03:33 -07:00
nvidia forcedeth: remove unnecessary carrier status check 2017-05-04 10:57:41 -04:00
nxp
oki-semi
packetengines
pasemi
qlogic qede: Fix possible misconfiguration of advertised autoneg value. 2017-05-04 12:31:03 -04:00
qualcomm drivers: add explicit interrupt.h includes 2017-03-30 11:05:34 -07:00
rdc
realtek
renesas ravb: Double free on error in ravb_start_xmit() 2017-04-24 13:58:49 -04:00
rocker Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-06 08:24:51 -07:00
samsung
seeq
sfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-26 22:39:08 -04:00
sgi
silan
sis
smsc smsc911x: Adding support for Micochip LAN9250 Ethernet controller 2017-05-03 09:41:52 -04:00
stmicro stmmac: Add support for SIMATIC IOT2000 platform 2017-05-02 15:31:27 -04:00
sun net: sunhme: fix spelling mistakes: "ParityErro" -> "ParityError" 2017-04-30 22:55:47 -04:00
synopsys net: dwc-xlgmac: add the initial ethtool support 2017-04-13 13:46:38 -04:00
tehuti net: tehuti: use new api ethtool_{get|set}_link_ksettings 2017-03-27 16:00:07 -07:00
ti Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-05-02 16:40:27 -07:00
tile
toshiba Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-26 22:39:08 -04:00
tundra
via
wiznet net: ethernet: wiznet: avoid format string exposure 2017-04-06 13:38:11 -07:00
xilinx
xircom
xscale
dnet.c
dnet.h
ec_bhf.c
ethoc.c
fealnx.c
jme.c
jme.h
Kconfig
korina.c
lantiq_etop.c
Makefile
netx-eth.c