diff options
| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-10-22 04:58:09 (GMT) |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2012-10-23 08:35:10 (GMT) |
| commit | b4dd784ba8af03bf1f9ee5118c792d7abd4919bd (patch) | |
| tree | 91207cfe3eb4001df38c5e60489a225d27855be3 /drivers/pinctrl | |
| parent | 268300be0e1a0b06582af55251294b268c3d4654 (diff) | |
| download | linux-b4dd784ba8af03bf1f9ee5118c792d7abd4919bd.tar.xz | |
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 <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 0f1ec9e..2e39c04 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"); |