diff options
| author | Madalin Bucur <madalin.bucur@freescale.com> | 2011-09-26 07:04:56 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-09-27 15:32:06 -0400 |
| commit | fbe58186901155c0cb5398dd343337be0c456c04 (patch) | |
| tree | b2c9097cd838cd7b2bc6a37b57bc3abb04d5939c /net | |
| parent | d4cae56219755ccf8acfc8e2c1927009ff29d8c6 (diff) | |
| download | lwn-fbe58186901155c0cb5398dd343337be0c456c04.tar.gz lwn-fbe58186901155c0cb5398dd343337be0c456c04.zip | |
ipv6: check return value for dst_alloc
return value of dst_alloc must be checked before use
Signed-off-by: Madalin Bucur <madalin.bucur@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv6/route.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 1250f9020670..fb545edef6ea 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -244,7 +244,9 @@ static inline struct rt6_info *ip6_dst_alloc(struct dst_ops *ops, { struct rt6_info *rt = dst_alloc(ops, dev, 0, 0, flags); - memset(&rt->rt6i_table, 0, sizeof(*rt) - sizeof(struct dst_entry)); + if (rt != NULL) + memset(&rt->rt6i_table, 0, + sizeof(*rt) - sizeof(struct dst_entry)); return rt; } |