kfree_skb has taken the null pointer into account. Hence just remove the null check before kfree_skb.
Signed-off-by: zhong jiang <zhongji...@huawei.com> --- net/hsr/hsr_forward.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/net/hsr/hsr_forward.c b/net/hsr/hsr_forward.c index ddd9605..0c9e5b0 100644 --- 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: -- 1.7.12.4