| Message ID | 20160427080835.GB22469@mwanda |
|---|---|
| State | New |
| Headers | show |
On Wed, Apr 27, 2016 at 11:08:35AM +0300, Dan Carpenter wrote: > 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> Good catch! Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Wed, Apr 27, 2016 at 10:08 AM, Dan Carpenter <dan.carpenter@oracle.com> wrote: > 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> Patch applied with Mika's ACK. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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);
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> -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html