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(parent: 8f89138) | patch
qlcnic: fix race in tx stop queue
authorRajesh K Borundia <rajesh.borundia@qlogic.com>
Thu, 17 Jun 2010 02:56:41 +0000 (02:56 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 17 Jun 2010 15:57:56 +0000 (08:57 -0700)
commitef71ff833acfd3795c3af1bb800ac186561508ef
treefa285765677574d4aafb42c9fbbc32443a8e4597tree | snapshot
parent8f891387aa73b85d2ea8d953e04dac224f687e52commit | diff
qlcnic: fix race in tx stop queue

There is a race between netif_stop_queue and netif_stopped_queue
check. So check once again if buffers are available to avoid race.
With above logic we can also get rid of tx lock in process_cmd_ring.

Signed-off-by: Rajesh K Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/qlcnic/qlcnic.h diff | blob | history
drivers/net/qlcnic/qlcnic_hw.c diff | blob | history
drivers/net/qlcnic/qlcnic_init.c diff | blob | history
drivers/net/qlcnic/qlcnic_main.c diff | blob | history
Domain: System / Kernel;