blob: 64226df303c00b05958e5d9de31dd7673c31ba52 [file] [log] [blame]
From aa32f9869c5943c54b623207391717064f91026d Mon Sep 17 00:00:00 2001
From: Sasha Levin <sashal@kernel.org>
Date: Sat, 8 May 2021 11:13:54 +0800
Subject: um: fix error return code in slip_open()
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 482a19c5105c..7334019c9e60 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