um: fix error return code in slip_open()

[ Upstream commit b77e81fbe5f5fb4ad9a61ec80f6d1e30b6da093a ]

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>
This commit is contained in:
Zhen Lei 2021-05-08 11:13:54 +08:00 committed by Greg Kroah-Hartman
parent 0bfb6d4949
commit 9bb3f31b25

View File

@ -145,7 +145,8 @@ static int slip_open(void *data)
} }
sfd = err; sfd = err;
if (set_up_tty(sfd)) err = set_up_tty(sfd);
if (err)
goto out_close2; goto out_close2;
pri->slave = sfd; pri->slave = sfd;