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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2016-04-27 11:08:35 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-04-30 13:34:53 +0200 |
| commit | 22bbd21b81189942688db5aafe4a72074f38561b (patch) | |
| tree | b5f603da32f7335c3064e1f133ee45524132cda9 /drivers/pinctrl | |
| parent | b5aa1006e4a93ebb402490b4536a7d8866d967dc (diff) | |
| download | op-kernel-dev-22bbd21b81189942688db5aafe4a72074f38561b.zip op-kernel-dev-22bbd21b81189942688db5aafe4a72074f38561b.tar.gz | |
pinctrl: baytrail: fix some error handling in debugfs
We need to unlock before continuing. Also the continue was accidentally
left out on one error path which would lead to a NULL dereference.
Fixes: 86e3ef812fe3 ('pinctrl: baytrail: Update gpio chip operations')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/intel/pinctrl-baytrail.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c index 6dcf43a..55182fc 100644 --- a/drivers/pinctrl/intel/pinctrl-baytrail.c +++ b/drivers/pinctrl/intel/pinctrl-baytrail.c @@ -1390,6 +1390,7 @@ static void byt_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) seq_printf(s, "Could not retrieve pin %i conf0 reg\n", pin); + raw_spin_unlock_irqrestore(&vg->lock, flags); continue; } conf0 = readl(reg); @@ -1398,6 +1399,8 @@ static void byt_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) if (!reg) { seq_printf(s, "Could not retrieve pin %i val reg\n", pin); + raw_spin_unlock_irqrestore(&vg->lock, flags); + continue; } val = readl(reg); raw_spin_unlock_irqrestore(&vg->lock, flags); |
