ipv6: exthdrs: Reload hdr only when needed in ipv6_srh_rcv().

We need not reload hdr in ipv6_srh_rcv() unless we call pskb_expand_head(). Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
mariux64 · Jun 19, 2023 · b83d50f · b83d50f
1 parent 0d2e27b
commit b83d50f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
@@ -440,9 +440,9 @@ static int ipv6_srh_rcv(struct sk_buff *skb)
 			kfree_skb(skb);
 			return -1;
 		}
-	}
 
-	hdr = (struct ipv6_sr_hdr *)skb_transport_header(skb);
+		hdr = (struct ipv6_sr_hdr *)skb_transport_header(skb);
+	}
 
 	hdr->segments_left--;
 	addr = hdr->segments + hdr->segments_left;