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| author | Olaf Kirch <olaf.kirch@oracle.com> | 2007-03-09 13:55:38 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2007-03-09 13:55:38 -0800 |
| commit | dfee0a725bb027b749ffdd318eb48b91d564b266 (patch) | |
| tree | cdb3571b66fec9105ece2e22b27575a2cf2cbfb5 /net | |
| parent | aabb601b0f08b909b650f1a7bfa1e8d9b5a8d999 (diff) | |
| download | linux-stable-dfee0a725bb027b749ffdd318eb48b91d564b266.tar.gz linux-stable-dfee0a725bb027b749ffdd318eb48b91d564b266.tar.bz2 linux-stable-dfee0a725bb027b749ffdd318eb48b91d564b266.zip | |
[IPV6]: Fix for ipv6_setsockopt NULL dereference
I came across this bug in http://bugzilla.kernel.org/show_bug.cgi?id=8155
Signed-off-by: Olaf Kirch <olaf.kirch@oracle.com>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv6/ipv6_sockglue.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 4e0561a082d0..b82333b9228f 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -413,7 +413,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, } /* routing header option needs extra check */ - if (optname == IPV6_RTHDR && opt->srcrt) { + if (optname == IPV6_RTHDR && opt && opt->srcrt) { struct ipv6_rt_hdr *rthdr = opt->srcrt; switch (rthdr->type) { case IPV6_SRCRT_TYPE_0: |