1 files changed, 1 insertions, 0 deletions

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 3e98ed2bff55..5e12dca7b3dd 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -598,6 +598,7 @@ slow_path:
         /* for offloaded checksums cleanup checksum before fragmentation */
         if ((skb->ip_summed == CHECKSUM_PARTIAL) && skb_checksum_help(skb))
                 goto fail;
+        iph = ip_hdr(skb);
 
         left = skb->len - hlen;         /* Space per frame */
         ptr = hlen;             /* Where to start from */