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4c95aa5d8f
linux/drivers/net/ethernet
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Guilherme G Piccoli 4c95aa5d8f i40e: disable MSI-X interrupts if we cannot reserve enough vectors 
If we fail on allocating enough MSI-X interrupts, we should disable
them since they were previously enabled in this point of code.

Not disabling them can lead to WARN_ON() being triggered and subsequent
failure in enabling MSI as a fallback; the below message was shown without
this patch while we played with interrupt allocation in i40e driver:

[ 21.461346] sysfs: cannot create duplicate filename '/devices/pci0007:00/0007:00:00.0/0007:01:00.3/msi_irqs'
[ 21.461459] ------------[ cut here ]------------
[ 21.461514] WARNING: CPU: 64 PID: 1155 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x88/0xc0

Also, we noticed that without this patch, if we modprobe the module without
enough MSI-X interrupts (triggering the above warning), unload the module
and re-load it again, we got a crash on the system.

Signed-off-by: Guilherme G Piccoli <gpiccoli@linux.vnet.ibm.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-10-27 14:10:49 -07:00
..
3com 3c59x: use IS_ENABLED() instead of checking for built-in or module 2016-09-12 20:27:57 -07:00
8390
adaptec starfire: use IS_ENABLED() instead of checking for built-in or module 2016-09-12 20:27:57 -07:00
adi net: bfin_mac: Fix a few spelling fixes 2016-08-13 15:14:56 -07:00
aeroflex net: ethernet: greth: use phy_ethtool_{get|set}_link_ksettings 2016-08-08 15:42:21 -07:00
agere net: ethernet: et131x: constify ethtool_ops structures 2016-08-31 09:22:30 -07:00
allwinner
alteon
altera
amazon net: ena: change the return type of ena_set_push_mode() to be void. 2016-08-23 17:42:33 -07:00
amd ethernet: amd: use IS_ENABLED() instead of checking for built-in or module 2016-09-12 20:27:58 -07:00
apm drivers: net: xgene: Fix MSS programming 2016-09-23 08:38:38 -04:00
apple
arc net: arc_emac: mark arc_mdio_reset() static 2016-09-06 15:58:59 -07:00
atheros alx: fix error handling in __alx_open 2016-09-15 20:15:26 -04:00
aurora net: ethernet: nb8800: Fix module autoload 2016-10-17 13:03:02 -04:00
broadcom bnx2x: Use the correct divisor value for PHC clock readings. 2016-10-23 17:34:41 -04:00
brocade Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-09-23 06:46:57 -04:00
cadence net: macb: NULL out phydev after removing mdio bus 2016-10-07 23:55:59 -04:00
calxeda
cavium liquidio: CN23XX: fix a loop timeout 2016-10-13 12:12:50 -04:00
chelsio cxgb4: Fix number of queue sets corssing the limit 2016-10-18 10:32:39 -04:00
cirrus
cisco
davicom dm9000: Fix irq trigger type setup on non-dt platforms 2016-08-09 15:08:22 -07:00
dec net: fix up a few missing hashtable.h conflict resolutions 2016-08-13 14:51:02 -07:00
dlink sundance: use IS_ENABLED() instead of checking for built-in or module 2016-09-12 20:27:58 -07:00
emulex be2net: Enable VF link state setting for BE3 2016-10-09 09:30:39 -04:00
ezchip net: nps_enet: Fix module autoload 2016-10-17 13:03:02 -04:00
faraday net/faraday: Stop NCSI device on shutdown 2016-10-04 02:11:51 -04:00
freescale net: fec: Call swap_buffer() prior to IP header alignment 2016-10-23 17:41:41 -04:00
fujitsu
hisilicon net: hisilicon: Fix hns_mdio module autoload for OF registration 2016-10-17 13:03:03 -04:00
hp
i825xx i825xx: use IS_ENABLED() instead of checking for built-in or module 2016-09-12 20:27:58 -07:00
ibm ibmvnic: Update MTU after device initialization 2016-10-18 14:17:13 -04:00
intel i40e: disable MSI-X interrupts if we cannot reserve enough vectors 2016-10-27 14:10:49 -07:00
marvell Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-10-05 10:11:24 -07:00
mediatek net: ethernet: mediatek: get hw lro capability by the chip id instead of by the dtsi 2016-10-06 21:08:08 -04:00
mellanox mlxsw: pci: Fix reset wait for SwitchX2 2016-10-20 11:11:11 -04:00
micrel
microchip kthread: kthread worker API cleanup 2016-10-11 15:06:33 -07:00
moxa
myricom
natsemi natsemi: use IS_ENABLED() instead of checking for built-in or module 2016-09-12 20:27:59 -07:00
neterion
netronome nfp: bpf: zero extend 4 byte context loads 2016-09-30 02:10:15 -04:00
nuvoton net: ethernet: nuvoton: fix spelling mistake: "aligment" -> "alignment" 2016-08-18 23:29:43 -07:00
nvidia
nxp net: lpc_eth: Check clk_prepare_enable() error 2016-08-23 17:10:16 -07:00
oki-semi
packetengines
pasemi
qlogic qede: Fix incorrrect usage of APIs for un-mapping DMA memory 2016-10-22 17:08:07 -04:00
qualcomm net: qcom/emac: Fix module autoload for OF registration 2016-10-17 13:03:03 -04:00
rdc net: r6040: add in missing white space in error message text 2016-09-18 22:22:16 -04:00
realtek r8169: set coherent DMA mask as well as streaming DMA mask 2016-10-15 17:29:38 -04:00
renesas sh_eth: add R8A7743/5 support 2016-09-28 05:01:50 -04:00
rocker rocker: fix error return code in rocker_world_check_init() 2016-10-26 17:20:36 -04:00
samsung
seeq
sfc net: Update API for VF vlan protocol 802.1ad support 2016-09-24 08:01:26 -04:00
sgi
silan
sis sis900: use IS_ENABLED() instead of checking for built-in or module 2016-09-12 20:27:59 -07:00
smsc net: smc91x: take into account register shift 2016-09-25 23:45:32 -04:00
stmicro stmmac: display the descriptors if DES0 = 0 2016-10-20 11:27:25 -04:00
sun treewide: remove redundant #include <linux/kconfig.h> 2016-10-11 15:06:33 -07:00
synopsys dwc_eth_qos: enable flow control by default 2016-10-18 10:29:17 -04:00
tehuti net: tehuti: fix typo: "eneble" -> "enable" 2016-08-21 15:21:36 -07:00
ti tlan: avoid unused label with PCI=n 2016-10-13 09:56:00 -04:00
tile
toshiba net: ps3_gelic: Add missing \n to end of deb_dbg message 2016-10-06 20:41:16 -04:00
tundra net/ethernet: tundra: fix dump_eth_one warning in tsi108_eth 2016-08-08 13:08:21 -07:00
via via-velocity: remove null pointer check on array tdinfo->skb_dma 2016-09-09 18:17:33 -07:00
wiznet treewide: remove redundant #include <linux/kconfig.h> 2016-10-11 15:06:33 -07:00
xilinx net: axienet: Remove unused parameter from __axienet_device_reset 2016-10-13 12:15:28 -04:00
xircom
xscale
dnet.c
dnet.h
ec_bhf.c
ethoc.c
fealnx.c
jme.c
jme.h
Kconfig net: ena: Add a driver for Amazon Elastic Network Adapters (ENA) 2016-08-12 17:12:08 -07:00
korina.c
lantiq_etop.c
Makefile net: ena: Add a driver for Amazon Elastic Network Adapters (ENA) 2016-08-12 17:12:08 -07:00
netx-eth.c