[-next] power: supply: bq25890_charger: fix missing unlock on error in bq25890_resume()

Message ID 20200506014008.59755-1-weiyongjun1@huawei.com
State New
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  • [-next] power: supply: bq25890_charger: fix missing unlock on error in bq25890_resume()
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Commit Message

Wei Yongjun May 6, 2020, 1:40 a.m.
Add the missing unlock before return from function bq25890_resume()
in the error handling case.

Fixes: 72d9cd9cdc18 ("power: bq25890: protect view of the chip's state")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 drivers/power/supply/bq25890_charger.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

Patch

diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c
index 9339e216651f..cd9c5ed9bc0c 100644
--- a/drivers/power/supply/bq25890_charger.c
+++ b/drivers/power/supply/bq25890_charger.c
@@ -977,14 +977,18 @@  static int bq25890_resume(struct device *dev)
 	mutex_lock(&bq->lock);
 
 	ret = bq25890_get_chip_state(bq, &bq->state);
-	if (ret < 0)
+	if (ret < 0) {
+		mutex_unlock(&bq->lock);
 		return ret;
+	}
 
 	/* Re-enable ADC only if charger is plugged in. */
 	if (bq->state.online) {
 		ret = bq25890_field_write(bq, F_CONV_START, 1);
-		if (ret < 0)
+		if (ret < 0) {
+			mutex_unlock(&bq->lock);
 			return ret;
+		}
 	}
 
 	/* signal userspace, maybe state changed while suspended */