[ Upstream commitb77e81fbe5
] Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes:a3c77c67a4
("[PATCH] uml: slirp and slip driver cleanups and fixes") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Acked-By: anton.ivanov@cambridgegreys.com Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Sasha Levin <sashal@kernel.org>