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[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>
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@ -502,8 +502,10 @@ static struct in_ifaddr *rtm_to_ifaddr(struct nlmsghdr *nlh)
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goto errout;
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ifm = nlmsg_data(nlh);
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if (ifm->ifa_prefixlen > 32 || tb[IFA_LOCAL] == NULL)
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if (ifm->ifa_prefixlen > 32 || tb[IFA_LOCAL] == NULL) {
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err = -EINVAL;
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goto errout;
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}
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dev = __dev_get_by_index(ifm->ifa_index);
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if (dev == NULL) {
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