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be2net: call napi_disable() for all event queues

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The recent be2net commit 6384a4d (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: 6384a4d ("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: Ivan Vecera <ivecera@redhat.com>
Acked-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ivan Vecera 2013-11-27 08:59:32 +01:00 committed by David S. Miller
parent 71237b6feb
commit dff345c5c8
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/emulex/benet/be_main.c
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@ -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);
} }