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authorZhen Lei <thunder.leizhen@huawei.com>2021-05-08 06:13:54 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-07-20 17:10:49 +0300
commitc43226ac10792bec1d5825851291b6480ecfa761 (patch)
treea145987a9017a05695d0114380e2302f64be7a85
parent81e03fe5bf8f5f66b8a62429fb4832b11ec6b272 (diff)
downloadlinux-c43226ac10792bec1d5825851291b6480ecfa761.tar.xz
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: 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>
-rw-r--r--arch/um/drivers/slip_user.c3
1 files changed, 2 insertions, 1 deletions
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;