Commit 57fc30d1 authored May 08, 2021 by Zhen Lei Committed by Greg Kroah-Hartman Jul 20, 2021

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: a3c77c67 ("[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>

parent 4f4c9809

arch/um/drivers/slip_user.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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;