Messages in this thread Patch in this message | | | From | Manjeet Pawar <> | Subject | [PATCH] ipv6:ipv6_pinfo dereferenced after NULL check | Date | Tue, 22 Nov 2016 11:57:04 +0530 |
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From: Rohit Thapliyal <r.thapliyal@samsung.com>
np checked for NULL and then dereferenced. It should be modified for NULL case.
Signed-off-by: Rohit Thapliyal <r.thapliyal@samsung.com> Signed-off-by: Manjeet Pawar <manjeet.p@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
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