tree fa285765677574d4aafb42c9fbbc32443a8e4597
parent 8f891387aa73b85d2ea8d953e04dac224f687e52
author Rajesh K Borundia <rajesh.borundia@qlogic.com> 1276743401 +0000
committer David S. Miller <davem@davemloft.net> 1276790276 -0700

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>