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ac7c66698a
android_kernel_xiaomi_sm8350/drivers/net
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ODonnell, Michael ac7c66698a [PATCH] corruption during e100 MDI register access 
We have identified two related bugs in the e100 driver.

Both bugs are related to manipulation of the MDI control register.

The first problem is that the Ready bit is being ignored when writing to
the Control register; we noticed this because the Linux bonding driver
would occasionally come to the spurious conclusion that the link was down
when querying Link State.  It turned out that by failing to wait for a
previous command to complete it was selecting what was essentially a random
register in the MDI register set.  When we added code that waits for the
Ready bit (as shown in the patch file below) all such problems ceased.

The second problem is that, although access to the MDI registers involves
multiple steps which must not be intermixed, nothing was defending against
two or more threads attempting simultaneous access.  The most obvious
situation where such interference could occur involves the watchdog versus
ioctl paths, but there are probably others, so we recommend the locking
shown in our patch file.

Signed-off-by: Michael O'Donnell <Michael.ODonnell@stratus.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: John Ronciak <john.ronciak@intel.com>
Cc: Ganesh Venkatesan <ganesh.venkatesan@intel.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-01-12 16:31:51 -05:00
..
appletalk
arcnet
arm [ARM] Update am79c961 to use struct platform_driver 2006-01-09 13:59:36 +00:00
bonding [PATCH] drivers/net/bonding/bonding.h: "extern inline" -> "static inline" 2006-01-09 10:54:47 -05:00
chelsio [PATCH] chelsio: transmit routine return values 2005-12-24 09:35:17 -05:00
cris [PATCH] cris v10 eth: use ethtool_ops 2005-11-09 01:10:09 -05:00
e1000 [PATCH] e1000: Fix invalid memory reference 2006-01-09 10:54:48 -05:00
fec_8xx [PATCH] fec_8xx: make CONFIG_FEC_8XX depend on CONFIG_8xx 2005-11-18 13:51:34 -05:00
fs_enet [PATCH] fs_enet build fix 2005-11-10 11:25:02 +11:00
hamradio [PATCH] TTY layer buffering revamp 2006-01-10 08:01:59 -08:00
ibm_emac [PATCH] PPC44x EMAC driver: disable TX status deferral in half-duplex mode 2006-01-09 10:34:25 -05:00
irda [IRDA] DONGLE_OLD: remove dependency on non-existing symbol 2006-01-10 13:11:44 -08:00
ixgb [PATCH] drivers/net/ixgb/: make some code static 2005-11-05 21:00:01 -05:00
ixp2000 [PATCH] ixp2000: change netif_schedule_test to __netif_schedule_prep 2005-12-03 20:29:03 -05:00
pcmcia spelling: s/trough/through/ 2006-01-10 00:13:33 +01:00
phy [PATCH] s390: cleanup Kconfig 2006-01-06 08:33:53 -08:00
sk98lin spelling: s/usefull/useful/ 2006-01-10 00:08:17 +01:00
skfp
tokenring [DRIVER MODEL] Convert platform drivers to use struct platform_driver 2005-11-09 22:32:44 +00:00
tulip [PATCH] tulip: enable multiport NIC BIOS fixups for x86_64 2006-01-09 10:48:09 -05:00
wan [PATCH] TTY layer buffering revamp 2006-01-10 08:01:59 -08:00
wireless [PATCH] TTY layer buffering revamp 2006-01-10 08:01:59 -08:00
3c59x.c [PATCH] 3c59x: don't enable scatter/gather w/o checksum support 2005-11-07 07:53:25 -08:00
3c501.c
3c501.h
3c503.c [PATCH] fix a few "warning: 'cleanup_card' defined but not used" 2006-01-09 10:54:48 -05:00
3c503.h
3c505.c
3c505.h
3c507.c
3c509.c [PATCH] move pm_register/etc. to CONFIG_PM_LEGACY, pm_legacy.h 2005-11-13 18:14:10 -08:00
3c515.c
3c523.c
3c523.h
3c527.c
3c527.h [PATCH] Eliminate __attribute__ ((packed)) warnings for gcc-4.1 2006-01-08 20:14:07 -08:00
7990.c
7990.h
8139cp.c
8139too.c [PATCH] turn "const static" into "static const" 2006-01-10 08:01:55 -08:00
8390.c
8390.h
82596.c
a2065.c
a2065.h
ac3200.c [PATCH] fix a few "warning: 'cleanup_card' defined but not used" 2006-01-09 10:54:48 -05:00
acenic_firmware.h
acenic.c
acenic.h
amd8111e.c
amd8111e.h
apne.c
ariadne.c
ariadne.h
at1700.c
atari_bionet.c
atari_pamsnet.c
atarilance.c
atp.c
atp.h
au1000_eth.c [PATCH] au1000_eth: Include <linux/config.h> 2005-11-18 13:29:41 -05:00
au1000_eth.h
b44.c b44: increase version number 2005-11-30 22:35:39 +01:00
b44.h [PATCH] b44: replace B44_FLAG_INIT_COMPLETE with netif_running() 2005-11-09 01:02:41 -05:00
bmac.c
bmac.h
bnx2_fw.h [PATCH] bnx2: update firmware for 5708 2005-11-05 21:00:02 -05:00
bnx2.c [BNX2]: simplify parameter checks in bnx2_{get,set}_eeprom 2005-11-10 12:58:24 -08:00
bnx2.h [PATCH] bnx2: refine bnx2_poll 2005-11-05 21:00:03 -05:00
bsd_comp.c
cassini.c [PATCH] changing CONFIG_LOCALVERSION rebuilds too much, for no good reason 2005-11-09 07:55:57 -08:00
cassini.h
cs89x0.c [PATCH] cs89x0: fix setting of ALLOW_DMA 2006-01-11 18:42:11 -08:00
cs89x0.h [PATCH] cs89x0: cleanly implement ixdp2x01 and pnx0501 support 2006-01-08 20:12:45 -08:00
de600.c
de600.h
de620.c
de620.h
declance.c
defxx.c
defxx.h
depca.c [DRIVER MODEL] Convert platform drivers to use struct platform_driver 2005-11-09 22:32:44 +00:00
depca.h
dgrs_asstruct.h
dgrs_bcomm.h
dgrs_es4h.h
dgrs_ether.h
dgrs_firmware.c
dgrs_i82596.h
dgrs_plx9060.h
dgrs.c [PATCH] net: Fix compiler-error on dgrs.c when !CONFIG_PCI 2005-11-22 09:13:41 -08:00
dgrs.h
dl2k.c
dl2k.h
dm9000.c Merge master.kernel.org:/home/rmk/linux-2.6-drvmodel 2005-11-11 09:24:26 -08:00
dm9000.h
dummy.c
e100.c [PATCH] corruption during e100 MDI register access 2006-01-12 16:31:51 -05:00
e2100.c [PATCH] fix a few "warning: 'cleanup_card' defined but not used" 2006-01-09 10:54:48 -05:00
eepro100.c
eepro.c
eexpress.c
eexpress.h
epic100.c
eql.c
es3210.c [PATCH] fix a few "warning: 'cleanup_card' defined but not used" 2006-01-09 10:54:48 -05:00
eth16i.c
ewrk3.c
ewrk3.h
fealnx.c
fec.c [PATCH] m68knommu: FEC ethernet support for the ColdFire 5208 2005-11-07 08:00:47 -08:00
fec.h [PATCH] m68knommu: FEC ethernet header support for the ColdFire 5208 2005-11-07 08:00:47 -08:00
forcedeth.c [PATCH] forcedeth: TSO fix for large buffers 2006-01-09 10:54:48 -05:00
gianfar_ethtool.c [PATCH] Gianfar update and sysfs support 2005-11-18 13:31:26 -05:00
gianfar_mii.c [PATCH] Update email address for Kumar 2005-11-13 18:14:10 -08:00
gianfar_mii.h [PATCH] Gianfar update and sysfs support 2005-11-18 13:31:26 -05:00
gianfar_sysfs.c drivers/net/gianfar_sysfs.c: update email address of Kumar Gala 2006-01-11 02:00:10 +01:00
gianfar.c [PATCH] Gianfar update and sysfs support 2005-11-18 13:31:26 -05:00
gianfar.h [PATCH] drivers/net/gianfar.h: "extern inline" -> "static inline" 2006-01-09 10:54:47 -05:00
gt64240eth.h
gt96100eth.c [PATCH] gt96100eth.c: Don't concatenate __FUNCTION__ with strings. 2005-11-11 08:32:47 -05:00
gt96100eth.h
hamachi.c
hp100.c spelling: s/retreive/retrieve/ 2006-01-10 00:10:13 +01:00
hp100.h
hp-plus.c [PATCH] fix a few "warning: 'cleanup_card' defined but not used" 2006-01-09 10:54:48 -05:00
hp.c [PATCH] fix a few "warning: 'cleanup_card' defined but not used" 2006-01-09 10:54:48 -05:00
hplance.c [PATCH] m68k: NULL noise removal 2006-01-12 09:09:04 -08:00
hplance.h
hydra.c
hydra.h
ibmlana.c
ibmlana.h
ibmveth.c [PATCH] disable DEBUG in ibmveth 2005-11-11 05:47:04 -05:00
ibmveth.h
ifb.c [NET]: Add IFB (Intermediate Functional Block) network device. 2006-01-09 14:16:23 -08:00
ioc3-eth.c [PATCH] IOC3: Replace obsolete PCI API 2005-11-18 13:29:41 -05:00
isa-skeleton.c
iseries_veth.c [PATCH] powerpc: remove bitfields from HvLpEvent 2006-01-12 20:09:29 +11:00
jazzsonic.c [PATCH] jazzsonic: Fix platform device code 2005-12-01 02:26:46 -05:00
Kconfig [PATCH] cs89x0: Fix the Kconfig help text 2006-01-11 18:42:11 -08:00
lance.c [PATCH] fix a few "warning: 'cleanup_card' defined but not used" 2006-01-09 10:54:48 -05:00
lasi_82596.c
LICENSE.SRC
lne390.c [PATCH] fix a few "warning: 'cleanup_card' defined but not used" 2006-01-09 10:54:48 -05:00
loopback.c
lp486e.c
mac89x0.c
mac8390.c [PATCH] m68k: lvalues abuse in mac8390 2006-01-12 09:09:01 -08:00
mace.c
mace.h
macmace.c
macsonic.c [DRIVER MODEL] Convert platform drivers to use struct platform_driver 2005-11-09 22:32:44 +00:00
Makefile [NET]: Add IFB (Intermediate Functional Block) network device. 2006-01-09 14:16:23 -08:00
meth.c
meth.h
mii.c
mipsnet.c
mipsnet.h [PATCH] mipsnet: Fix Copyright notice. 2005-12-01 02:26:45 -05:00
mv643xx_eth.c [PATCH] remove bouncing mail address of mv643xx_eth maintainer 2006-01-09 10:54:48 -05:00
mv643xx_eth.h [PATCH] changing CONFIG_LOCALVERSION rebuilds too much, for no good reason 2005-11-09 07:55:57 -08:00
mvme147.c
myri_code.h
myri_sbus.c
myri_sbus.h
natsemi.c
ne2.c [PATCH] fix a few "warning: 'cleanup_card' defined but not used" 2006-01-09 10:54:48 -05:00
ne2k-pci.c
ne3210.c
ne-h8300.c
ne.c [PATCH] fix a few "warning: 'cleanup_card' defined but not used" 2006-01-09 10:54:48 -05:00
netconsole.c
ni52.c
ni52.h
ni65.c
ni65.h
ni5010.c
ni5010.h
ns83820.c [INET_SOCK]: Move struct inet_sock & helper functions to net/inet_sock.h 2006-01-03 13:11:21 -08:00
oaknet.c
pci-skeleton.c [PATCH] turn "const static" into "static const" 2006-01-10 08:01:55 -08:00
pcnet32.c [PATCH] pcnet32: use MAC address from prom also on powerpc 2005-12-12 15:30:38 -05:00
plip.c [PATCH] parport: include fixes 2006-01-06 08:33:58 -08:00
ppp_async.c [PATCH] TTY layer buffering revamp 2006-01-10 08:01:59 -08:00
ppp_deflate.c
ppp_generic.c [NET]: Validate socket filters against BPF_MAXINSNS in one spot. 2005-12-27 13:57:59 -08:00
ppp_mppe.c [PPP]: add PPP MPPE encryption module 2005-11-08 09:40:47 -08:00
ppp_mppe.h [PPP]: add PPP MPPE encryption module 2005-11-08 09:40:47 -08:00
ppp_synctty.c [PATCH] TTY layer buffering revamp 2006-01-10 08:01:59 -08:00
pppoe.c [PPPOX]: Fix assignment into const proto_ops. 2006-01-03 13:11:23 -08:00
pppox.c [PPPOX]: Fix assignment into const proto_ops. 2006-01-03 13:11:23 -08:00
r8169.c [PATCH] turn "const static" into "static const" 2006-01-10 08:01:55 -08:00
rionet.c
rrunner.c
rrunner.h
s2io-regs.h
s2io.c [PATCH] git-netdev-all: s2io warning fix 2005-12-24 09:37:38 -05:00
s2io.h [PATCH] s2io: UFO support 2005-11-18 13:28:15 -05:00
saa9730.c [PATCH] SAA9730: Driver overhaul 2005-11-11 08:31:35 -05:00
saa9730.h [PATCH] SAA9730: Add missing header bits. 2005-11-18 13:29:41 -05:00
sb1000.c
sb1250-mac.c
seeq8005.c
seeq8005.h
sgiseeq.c
sgiseeq.h
shaper.c
sis190.c [PATCH] turn "const static" into "static const" 2006-01-10 08:01:55 -08:00
sis900.c
sis900.h
sk_mca.c [PATCH] changing CONFIG_LOCALVERSION rebuilds too much, for no good reason 2005-11-09 07:55:57 -08:00
sk_mca.h [PATCH] changing CONFIG_LOCALVERSION rebuilds too much, for no good reason 2005-11-09 07:55:57 -08:00
skge.c Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 2006-01-04 16:31:56 -08:00
skge.h [PATCH] skge: get rid of Yukon2 defines 2005-12-24 09:36:06 -05:00
sky2.c [PATCH] sky2: version 0.11 2005-12-24 09:38:35 -05:00
sky2.h [PATCH] sky2: tx/rx ring data structure split 2005-12-12 15:27:20 -05:00
slhc.c
slip.c [PATCH] TTY layer buffering revamp 2006-01-10 08:01:59 -08:00
slip.h
smc91x.c [PATCH] IRQ type flags 2006-01-08 20:13:46 -08:00
smc91x.h [PATCH] IRQ type flags 2006-01-08 20:13:46 -08:00
smc9194.c
smc9194.h
smc-mca.c
smc-ultra32.c
smc-ultra.c [PATCH] fix a few "warning: 'cleanup_card' defined but not used" 2006-01-09 10:54:48 -05:00
sonic.c
sonic.h
Space.c
spider_net_ethtool.c
spider_net.c [PATCH] PCI: removed unneeded .owner field from struct pci_driver 2005-11-10 16:09:17 -08:00
spider_net.h
starfire_firmware.h
starfire_firmware.pl
starfire.c [PATCH] changing CONFIG_LOCALVERSION rebuilds too much, for no good reason 2005-11-09 07:55:57 -08:00
stnic.c
sun3_82586.c
sun3_82586.h
sun3lance.c [PATCH] m68k: NULL noise removal 2006-01-12 09:09:04 -08:00
sunbmac.c
sunbmac.h
sundance.c
sungem_phy.c
sungem_phy.h
sungem.c [SUNGEM]: Fix link error with CONFIG_HOTPLUG disabled. 2005-12-22 23:09:44 -08:00
sungem.h
sunhme.c
sunhme.h
sunlance.c
sunqe.c
sunqe.h
tc35815.c
tg3.c [TG3]: fixup tot_len calculation 2006-01-03 14:19:25 -08:00
tg3.h [TG3]: ethtool -d hangs PCIe systems 2005-12-28 13:04:52 -08:00
tlan.c s/retreiv/retriev/g 2006-01-03 13:27:11 +01:00
tlan.h
tun.c
typhoon-firmware.h
typhoon.c
typhoon.h
via-rhine.c
via-velocity.c [PATCH] changing CONFIG_LOCALVERSION rebuilds too much, for no good reason 2005-11-09 07:55:57 -08:00
via-velocity.h
wd.c [PATCH] fix a few "warning: 'cleanup_card' defined but not used" 2006-01-09 10:54:48 -05:00
yellowfin.c
znet.c
zorro8390.c