net: hsr: remove redundant null check

Because kfree_skb already checked NULL skb parameter,
so the additional checks are unnecessary, just remove them.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/hsr/hsr_forward.c b/net/hsr/hsr_forward.c
index ed13760..92c8ad7 100644 (file)
--- a/net/hsr/hsr_forward.c
+++ b/net/hsr/hsr_forward.c
@@ -367,10 +367,8 @@ void hsr_forward_skb(struct sk_buff *skb, struct hsr_port *port)
                port->dev->stats.tx_bytes += skb->len;
        }
 
-       if (frame.skb_hsr)
-               kfree_skb(frame.skb_hsr);
-       if (frame.skb_std)
-               kfree_skb(frame.skb_std);
+       kfree_skb(frame.skb_hsr);
+       kfree_skb(frame.skb_std);
        return;
 
 out_drop: