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authorEilon Greenstein <eilong@broadcom.com>2009-08-12 08:23:56 +0000
committerDavid S. Miller <davem@davemloft.net>2009-08-12 23:02:55 -0700
commit8924665a7d77bb79ee895b98864e3201507f6ef2 (patch)
treed26483fc10f8d86504494ac8d65f224de23a959a /drivers/net/bnx2x_main.c
parent57937203aa077520a7e1665bfb7071b3cbb3f5a9 (diff)
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bnx2x: Missing smp_wmb for statistics state machine
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>
Diffstat (limited to 'drivers/net/bnx2x_main.c')
-rw-r--r--drivers/net/bnx2x_main.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index edd7b13..1e8e7e1 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -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);