AuxXxilium/linux_dsm_epyc7002
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177d935a13
linux_dsm_epyc7002/drivers/net
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Jon Hunter 177d935a13 net: stmmac: Fix crash observed if PHY does not support EEE 
If the PHY does not support EEE mode, then a crash is observed when the
ethernet interface is enabled. The crash occurs, because if the PHY does
not support EEE, then although the EEE timer is never configured, it is
still marked as enabled and so the stmmac ethernet driver is still
trying to update the timer by calling mod_timer(). This triggers a BUG()
in the mod_timer() because we are trying to update a timer when there is
no callback function set because timer_setup() was never called for this
timer.

The problem is caused because we return true from the function
stmmac_eee_init(), marking the EEE timer as enabled, even when we have
not configured the EEE timer. Fix this by ensuring that we return false
if the PHY does not support EEE and hence, 'eee_active' is not set.

Fixes: 74371272f9 ("net: stmmac: Convert to phylink and remove phylib logic")
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-26 09:10:24 -07:00
..
appletalk treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
arcnet treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
bonding bonding/options: convert to using slave printk macros 2019-06-09 13:36:01 -07:00
caif treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
can SPDX update for 5.2-rc6 2019-06-21 09:58:42 -07:00
dsa net: dsa: mv88e6xxx: introduce helpers for handling chip->reg_lock 2019-06-23 11:11:11 -07:00
ethernet net: stmmac: Fix crash observed if PHY does not support EEE 2019-06-26 09:10:24 -07:00
fddi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
fjes fjes: no need to check return value of debugfs_create functions 2019-06-22 16:43:08 -07:00
hamradio treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 400 2019-06-05 17:37:13 +02:00
hippi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 128 2019-05-30 11:25:13 -07:00
hyperv hv_netvsc: Set probe mode to sync 2019-06-14 19:47:05 -07:00
ieee802154 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 372 2019-06-05 17:37:10 +02:00
ipvlan Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-07 09:29:14 -07:00
netdevsim ipv6: Stop sending in-kernel notifications for each nexthop 2019-06-18 09:45:37 -07:00
phy Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-17 20:20:36 -07:00
plip Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-07 11:00:14 -07:00
ppp treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
slip treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
team team: add ethtool get_link_ksettings 2019-06-17 13:23:12 -07:00
usb SPDX update for 5.2-rc6 2019-06-21 09:58:42 -07:00
vmxnet3 vmxnet3: turn off lro when rxcsum is disabled 2019-06-04 20:05:56 -07:00
wan Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-17 20:20:36 -07:00
wimax treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 268 2019-06-05 17:30:29 +02:00
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-22 08:59:24 -04:00
xen-netback xen-netback: remove redundant assignment to err 2019-05-31 14:36:48 -07:00
dummy.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
eql.c
geneve.c SPDX update for 5.2-rc6 2019-06-21 09:58:42 -07:00
gtp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ifb.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
LICENSE.SRC
loopback.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
macsec.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
macvlan.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-07 11:00:14 -07:00
macvtap.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
Makefile
mdio.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mii.c
net_failover.c
netconsole.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 153 2019-05-30 11:26:32 -07:00
nlmon.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
ntb_netdev.c
rionet.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sb1000.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
Space.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sungem_phy.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
tap.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
thunderbolt.c
tun.c tun: wake up waitqueues after IFF_UP is set 2019-06-18 10:46:52 -07:00
veth.c veth: use xdp_release_frame for XDP_PASS 2019-06-19 11:23:13 -04:00
virtio_net.c virtio_net: enable napi_tx by default 2019-06-14 19:34:27 -07:00
vrf.c ipv6: convert major tx path to use RT6_LOOKUP_F_DST_NOREF 2019-06-23 13:24:17 -07:00
vsockmon.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
vxlan.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-22 08:59:24 -04:00
xen-netfront.c