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bnx2x: Missing smp_wmb for statistics state machine

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Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eilon Greenstein 2009-08-12 08:23:56 +00:00 committed by David S. Miller
parent 57937203aa
commit 8924665a7d
1 changed files with 3 additions and 0 deletions
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3
drivers/net/bnx2x_main.c
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@ -4412,6 +4412,9 @@ static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
bnx2x_stats_stm[state][event].action(bp);
bp->stats_state = bnx2x_stats_stm[state][event].next_state;
/* Make sure the state has been "changed" */
smp_wmb();
if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
state, event, bp->stats_state);