From ad3d1e5fc94e1d617298cf9b8fb522e2d219521a Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Mon, 22 Oct 2012 12:42:59 +0800 Subject: [PATCH] TTY: hvcs: fix missing unlock on error in hvcs_initialize() Add the missing unlock on the error handling path in function hvcs_initialize(). Signed-off-by: Wei Yongjun Signed-off-by: Greg Kroah-Hartman --- drivers/tty/hvc/hvcs.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c index cab5c7adf8e8..744c3b8eea49 100644 --- a/drivers/tty/hvc/hvcs.c +++ b/drivers/tty/hvc/hvcs.c @@ -1496,8 +1496,10 @@ static int __devinit hvcs_initialize(void) num_ttys_to_alloc = hvcs_parm_num_devs; hvcs_tty_driver = alloc_tty_driver(num_ttys_to_alloc); - if (!hvcs_tty_driver) + if (!hvcs_tty_driver) { + mutex_unlock(&hvcs_init_mutex); return -ENOMEM; + } if (hvcs_alloc_index_list(num_ttys_to_alloc)) { rc = -ENOMEM; -- 2.11.0