Commit dff345c5 authored by Ivan Vecera's avatar Ivan Vecera Committed by David S. Miller

be2net: call napi_disable() for all event queues

The recent be2net commit 6384a4d0 (adds a support for busy polling)
introduces a regression that results in kernel crash. It incorrectly
modified be_close() so napi_disable() is called only for the first queue.
This breaks a correct pairing of napi_enable/_disable for the rest
of event queues and causes a crash in subsequent be_open() call.

v2: Applied suggestions from Sathya

Fixes: 6384a4d0 ("be2net: add support for ndo_busy_poll")
Cc: Sathya Perla <sathya.perla@emulex.com>
Cc: Subbu Seetharaman <subbu.seetharaman@emulex.com>
Cc: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: default avatarIvan Vecera <ivecera@redhat.com>
Acked-by: default avatarSathya Perla <sathya.perla@emulex.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 71237b6f
...@@ -2658,8 +2658,8 @@ static int be_close(struct net_device *netdev) ...@@ -2658,8 +2658,8 @@ static int be_close(struct net_device *netdev)
be_roce_dev_close(adapter); be_roce_dev_close(adapter);
for_all_evt_queues(adapter, eqo, i) { if (adapter->flags & BE_FLAGS_NAPI_ENABLED) {
if (adapter->flags & BE_FLAGS_NAPI_ENABLED) { for_all_evt_queues(adapter, eqo, i) {
napi_disable(&eqo->napi); napi_disable(&eqo->napi);
be_disable_busy_poll(eqo); be_disable_busy_poll(eqo);
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment