bnx2: Protect tx timeout reset with rtnl_lock().

To prevent race conditions with other reset events.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 4cae2a86e741..03eb51f1c694 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -6263,8 +6263,11 @@ bnx2_reset_task(struct work_struct *work)
 {
         struct bnx2 *bp = container_of(work, struct bnx2, reset_task);
 
-        if (!netif_running(bp->dev))
+        rtnl_lock();
+        if (!netif_running(bp->dev)) {
+                rtnl_unlock();
                 return;
+        }
 
         bnx2_netif_stop(bp);
 
@@ -6272,6 +6275,7 @@ bnx2_reset_task(struct work_struct *work)
 
         atomic_set(&bp->intr_sem, 1);
         bnx2_netif_start(bp);
+        rtnl_unlock();
 }
 
 static void