Commit 8924665a authored by Eilon Greenstein's avatar Eilon Greenstein Committed by David S. Miller
Browse files

bnx2x: Missing smp_wmb for statistics state machine 



Signed-off-by: default avatarVladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: default avatarEilon Greenstein <eilong@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 57937203

drivers/net/bnx2x_main.c

+3 −0
Original line number Diff line number Diff line
@@ -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);