ipv4: Fix error return code in fib_table_insert()
authorZiyang Xuan <william.xuanziyang@huawei.com>
Sun, 20 Nov 2022 07:28:38 +0000 (15:28 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 2 Dec 2022 16:41:07 +0000 (17:41 +0100)
commit1d44ec8507b7000879c48396332a1ff565e16086
tree349cf514520f7b386874515d6c1ae7c3214e8c71
parent918e83c6bfa735cc5886def796f8d4d58365af62
ipv4: Fix error return code in fib_table_insert()

[ Upstream commit 568fe84940ac0e4e0b2cd7751b8b4911f7b9c215 ]

In fib_table_insert(), if the alias was already inserted, but node not
exist, the error code should be set before return from error handling path.

Fixes: a6c76c17df02 ("ipv4: Notify route after insertion to the routing table")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Link: https://lore.kernel.org/r/20221120072838.2167047-1-william.xuanziyang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
net/ipv4/fib_trie.c