[PATCH] ipv6:ipv6_pinfo dereferenced after NULL check

[Manjeet Pawar]

From: Rohit Thapliyal <r.thapli...@samsung.com>

np checked for NULL and then dereferenced. It should be modified
for NULL case.

Signed-off-by: Rohit Thapliyal <r.thapli...@samsung.com>
Signed-off-by: Manjeet Pawar <manjee...@samsung.com>
---
 net/ipv6/ip6_output.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 1dfc402..c2afa14 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -205,14 +205,15 @@ int ip6_xmit(const struct sock *sk, struct sk_buff *skb, 
struct flowi6 *fl6,
        /*
         *      Fill in the IPv6 header
         */
-       if (np)
+       if (np) {
                hlimit = np->hop_limit;
+               ip6_flow_hdr(
+                                       hdr, tclass, ip6_make_flowlabel(
+                                       net, skb, fl6->flowlabel,
+                                       np->autoflowlabel, fl6));
+       }
        if (hlimit < 0)
                hlimit = ip6_dst_hoplimit(dst);
 
-       ip6_flow_hdr(hdr, tclass, ip6_make_flowlabel(net, skb, fl6->flowlabel,
-                               np->autoflowlabel, fl6));
-
        hdr->payload_len = htons(seg_len);
        hdr->nexthdr = proto;
        hdr->hop_limit = hlimit;
-- 
1.9.1