From b4dd784ba8af03bf1f9ee5118c792d7abd4919bd Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Mon, 22 Oct 2012 12:58:09 +0800 Subject: [PATCH] pinctrl: fix missing unlock on error in pinctrl_groups_show() Add the missing unlock on the error handle path in function pinctrl_groups_show(). Cc: stable@kernel.org Signed-off-by: Wei Yongjun Signed-off-by: Linus Walleij --- drivers/pinctrl/core.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 0f1ec9e8ff14..2e39c04fc16b 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -1061,8 +1061,10 @@ static int pinctrl_groups_show(struct seq_file *s, void *what) seq_printf(s, "group: %s\n", gname); for (i = 0; i < num_pins; i++) { pname = pin_get_name(pctldev, pins[i]); - if (WARN_ON(!pname)) + if (WARN_ON(!pname)) { + mutex_unlock(&pinctrl_mutex); return -EINVAL; + } seq_printf(s, "pin %d (%s)\n", pins[i], pname); } seq_puts(s, "\n"); -- 2.39.5