[net-next 27/36] bnx2x: Missing smp_wmb for statistics state machine
From: Eilon Greenstein <hidden>
Date: 2009-08-12 18:25:00
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Signed-off-by: Vladislav Zolotarov <redacted> Signed-off-by: Eilon Greenstein <redacted> --- drivers/net/bnx2x_main.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 656ee97..bcf8362 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c@@ -4411,6 +4411,9 @@ 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);
--
1.5.4.3