diff options
| author | Dmitry Kravkov <dmitry@broadcom.com> | 2011-05-25 04:55:51 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-05-25 17:55:32 -0400 |
| commit | a5971d43ef76f4b73c58e2d893de9db487388c87 (patch) | |
| tree | 93d92dbc2faf62d52f841b197124085693c33d34 /drivers | |
| parent | 07bd8df5df4369487812bf85a237322ff3569b77 (diff) | |
| download | lwn-a5971d43ef76f4b73c58e2d893de9db487388c87.tar.gz lwn-a5971d43ef76f4b73c58e2d893de9db487388c87.zip | |
bnx2x: protect sequence increment with mutex
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_main.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c index a97d9be331d1..4b70311a11ef 100644 --- a/drivers/net/bnx2x/bnx2x_main.c +++ b/drivers/net/bnx2x/bnx2x_main.c @@ -2222,12 +2222,13 @@ static void bnx2x_pmf_update(struct bnx2x *bp) u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param) { int mb_idx = BP_FW_MB_IDX(bp); - u32 seq = ++bp->fw_seq; + u32 seq; u32 rc = 0; u32 cnt = 1; u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10; mutex_lock(&bp->fw_mb_mutex); + seq = ++bp->fw_seq; SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param); SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq)); |