media: i2c: hi846: check return value of regulator_bulk_disable()

regulator_bulk_disable can fail and thus suspend() can. Handle that error gracefully. Signed-off-by: Martin Kepplinger <[email protected]> Signed-off-by: Sakari Ailus <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
amarioguy · Dec 16, 2021 · e1cc0a0 · e1cc0a0
1 parent d1d2ed5
commit e1cc0a0
Showing 1 changed file with 3 additions and 5 deletions.
diff --git a/drivers/media/i2c/hi846.c b/drivers/media/i2c/hi846.c
@@ -1656,7 +1656,7 @@ static int hi846_power_on(struct hi846 *hi846)
 	return ret;
 }
 
-static void hi846_power_off(struct hi846 *hi846)
+static int hi846_power_off(struct hi846 *hi846)
 {
 	if (hi846->rst_gpio)
 		gpiod_set_value_cansleep(hi846->rst_gpio, 1);
@@ -1665,7 +1665,7 @@ static void hi846_power_off(struct hi846 *hi846)
 		gpiod_set_value_cansleep(hi846->shutdown_gpio, 1);
 
 	clk_disable_unprepare(hi846->clock);
-	regulator_bulk_disable(HI846_NUM_SUPPLIES, hi846->supplies);
+	return regulator_bulk_disable(HI846_NUM_SUPPLIES, hi846->supplies);
 }
 
 static int __maybe_unused hi846_suspend(struct device *dev)
@@ -1677,9 +1677,7 @@ static int __maybe_unused hi846_suspend(struct device *dev)
 	if (hi846->streaming)
 		hi846_stop_streaming(hi846);
 
-	hi846_power_off(hi846);
-
-	return 0;
+	return hi846_power_off(hi846);
 }
 
 static int __maybe_unused hi846_resume(struct device *dev)