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| author | Rajesh K Borundia <rajesh.borundia@qlogic.com> | 2010-06-17 02:56:41 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-06-17 08:57:56 -0700 |
| commit | ef71ff833acfd3795c3af1bb800ac186561508ef (patch) | |
| tree | fa285765677574d4aafb42c9fbbc32443a8e4597 /drivers/net/qlcnic/qlcnic_init.c | |
| parent | 8f891387aa73b85d2ea8d953e04dac224f687e52 (diff) | |
| download | linux-ef71ff833acfd3795c3af1bb800ac186561508ef.tar.gz linux-ef71ff833acfd3795c3af1bb800ac186561508ef.tar.bz2 linux-ef71ff833acfd3795c3af1bb800ac186561508ef.zip | |
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>
Diffstat (limited to 'drivers/net/qlcnic/qlcnic_init.c')
| -rw-r--r-- | drivers/net/qlcnic/qlcnic_init.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c index 2bd00d54dd3f..058ce61501c3 100644 --- a/drivers/net/qlcnic/qlcnic_init.c +++ b/drivers/net/qlcnic/qlcnic_init.c @@ -181,7 +181,9 @@ skip_rds: tx_ring = adapter->tx_ring; vfree(tx_ring->cmd_buf_arr); + tx_ring->cmd_buf_arr = NULL; kfree(adapter->tx_ring); + adapter->tx_ring = NULL; } int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter) |