[IPV6]: Fix ipv6 fragment ID selection at slow path

Signed-Off-By: Yan Zheng <yanzheng@21cn.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 2f589f24c093..563b442ffab8 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -666,7 +666,7 @@ slow_path:
                  */
                 fh->nexthdr = nexthdr;
                 fh->reserved = 0;
-                if (frag_id) {
+                if (!frag_id) {
                         ipv6_select_ident(skb, fh);
                         frag_id = fh->identification;
                 } else