-stable review patch. If anyone has any objections, please let us know.
------------------
From: Evgeniy Polyakov <[EMAIL PROTECTED]>
[IPV4]: Fix rtm_to_ifaddr() error handling.
Return negative error value (embedded in the pointer) instead of
returning NULL.
Signed-off-by: Evgeniy Polyakov <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
net/ipv4/devinet.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -503,8 +503,10 @@ static struct in_ifaddr *rtm_to_ifaddr(s
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) {
--
-
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