sunvnet: fix potential NULL pointer dereference

One of the error cases for vnet_start_xmit()'s "out_dropped" label
is port == NULL, so only mess with port->clean_timer when port is not NULL.

Signed-off-by: David L Stevens <david.stevens@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c
index 126269762ee7..15396720f489 100644
--- a/drivers/net/ethernet/sun/sunvnet.c
+++ b/drivers/net/ethernet/sun/sunvnet.c
@@ -1073,7 +1073,7 @@ out_dropped:
         if (pending)
                 (void)mod_timer(&port->clean_timer,
                                 jiffies + VNET_CLEAN_TIMEOUT);
-        else
+        else if (port)
                 del_timer(&port->clean_timer);
         dev->stats.tx_dropped++;
         return NETDEV_TX_OK;