1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index cdab9e598297..d876a54a8bd1 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -166,6 +166,7 @@ static irqreturn_t arizona_micdet(int irq, void *data)
         ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val);
         if (ret != 0) {
                 dev_err(arizona->dev, "Failed to read MICDET: %d\n", ret);
+                mutex_unlock(&info->lock);
                 return IRQ_NONE;
         }