NET: bna, fix lock imbalance

bnad_set_rx_mode omit to unlock bna_lock on one fail path. Fix that.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Debashis Dutt <ddutt@brocade.com>
Cc: Rasesh Mody <rmody@brocade.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/bna/bnad.c b/drivers/net/bna/bnad.c
index 44adc7aefddc..8158fb93cb4c 100644
--- a/drivers/net/bna/bnad.c
+++ b/drivers/net/bna/bnad.c
@@ -2702,7 +2702,7 @@ bnad_set_rx_mode(struct net_device *netdev)
                         kzalloc((mc_count + 1) * ETH_ALEN,
                                 GFP_ATOMIC);
                 if (!mcaddr_list)
-                        return;
+                        goto unlock;
 
                 memcpy(&mcaddr_list[0], &bnad_bcast_addr[0], ETH_ALEN);
 
@@ -2715,6 +2715,7 @@ bnad_set_rx_mode(struct net_device *netdev)
                 /* Should we enable BNAD_CF_ALLMULTI for err != 0 ? */
                 kfree(mcaddr_list);
         }
+unlock:
         spin_unlock_irqrestore(&bnad->bna_lock, flags);
 }