bnx2x: change type of spq_left to atomic

The field is now accessed from different contexts.

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h
index d7b24f9..09fb7ff 100644
--- a/drivers/net/bnx2x/bnx2x.h
+++ b/drivers/net/bnx2x/bnx2x.h
@@ -860,7 +860,7 @@
 	struct eth_spe		*spq_prod_bd;
 	struct eth_spe		*spq_last_bd;
 	__le16			*dsb_sp_prod;
-	u16			spq_left; /* serialize spq */
+	atomic_t		spq_left; /* serialize spq */
 	/* used to synchronize spq accesses */
 	spinlock_t		spq_lock;