ipv6: esp6: use BUG_ON instead of if condition followed by BUG
Use BUG_ON instead of if condition followed by BUG in esp_remove_trailer.
This issue was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 1696401..4000b71 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -483,8 +483,8 @@ static inline int esp_remove_trailer(struct sk_buff *skb)
goto out;
}
- if (skb_copy_bits(skb, skb->len - alen - 2, nexthdr, 2))
- BUG();
+ ret = skb_copy_bits(skb, skb->len - alen - 2, nexthdr, 2);
+ BUG_ON(ret);
ret = -EINVAL;
padlen = nexthdr[0];
