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authorEvgeniy Polyakov <johnpol@2ka.mipt.ru>2007-03-09 13:43:24 -0800
committerDavid S. Miller <davem@davemloft.net>2007-03-09 13:43:24 -0800
commitc4e38f41e34ad853651d66227aae23e48457dce0 (patch)
tree1bbae8ba06b94474d09cf1834d8e1fabbf62162f /net
parent30fbc9f77c5a77f5f7f053d29eb92e41f6043406 (diff)
[IPV4]: Fix rtm_to_ifaddr() error handling.
Return negative error value (embedded in the pointer) instead of returning NULL. Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/devinet.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index e10794dc5f64..98a00d0edc76 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -502,8 +502,10 @@ static struct in_ifaddr *rtm_to_ifaddr(struct nlmsghdr *nlh)
goto errout;
ifm = nlmsg_data(nlh);
- if (ifm->ifa_prefixlen > 32 || tb[IFA_LOCAL] == NULL)
+ if (ifm->ifa_prefixlen > 32 || tb[IFA_LOCAL] == NULL) {
+ err = -EINVAL;
goto errout;
+ }
dev = __dev_get_by_index(ifm->ifa_index);
if (dev == NULL) {