| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 101/149] um: fix error return code in slip_open() | Date | Mon, 19 Jul 2021 16:53:29 +0200 |
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From: Zhen Lei <thunder.leizhen@huawei.com>
[ 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: a3c77c67a443 ("[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> --- arch/um/drivers/slip_user.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/um/drivers/slip_user.c b/arch/um/drivers/slip_user.c index 8016d32b6809..8d736eb62961 100644 --- a/arch/um/drivers/slip_user.c +++ b/arch/um/drivers/slip_user.c @@ -145,7 +145,8 @@ static int slip_open(void *data) } sfd = err; - if (set_up_tty(sfd)) + err = set_up_tty(sfd); + if (err) goto out_close2; pri->slave = sfd; -- 2.30.2
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