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Commit a5971d43 authored by Dmitry Kravkov's avatar Dmitry Kravkov Committed by David S. Miller
Browse files

bnx2x: protect sequence increment with mutex 



Signed-off-by: default avatarDmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: default avatarEilon Greenstein <eilong@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 07bd8df5

drivers/net/bnx2x/bnx2x_main.c

+2 −1
Original line number Diff line number Diff line
@@ -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));