ems_usb: cleanup: remove uneeded check

"skb" is alway non-null here, but even if it were null the check isn't
needed because dev_kfree_skb() can handle it.

This eliminates a smatch warning about dereferencing a variable before
checking that it is non-null.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 11c8784..3345109 100644 (file)
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -876,9 +876,7 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne
        return NETDEV_TX_OK;
 
 nomem:
-       if (skb)
-               dev_kfree_skb(skb);
-
+       dev_kfree_skb(skb);
        stats->tx_dropped++;
 
        return NETDEV_TX_OK;