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ipv4: fix error return code in rtm_to_fib_config() 

[ Upstream commit b410f04eb5 ]

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: d15662682d ("ipv4: Allow ipv6 gateway with ipv4 routes")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/1607071695-33740-1-git-send-email-zhangchangzhong@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Zhang Changzhong 2020-12-04 16:48:14 +08:00 committed by Greg Kroah-Hartman
parent 8b4f08f280
commit 1fe6b822b3
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/fib_frontend.c
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@ -835,7 +835,7 @@ static int rtm_to_fib_config(struct net *net, struct sk_buff *skb,
if (has_gw && has_via) {
NL_SET_ERR_MSG(extack,
"Nexthop configuration can not contain both GATEWAY and VIA");
goto errout;
return -EINVAL;
}
return 0;