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-rw-r--r--drivers/power/supply/power_supply_core.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index dd62c871b2b5..0c2132c7f5d4 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -619,8 +619,7 @@ int power_supply_get_battery_info(struct power_supply *psy,
* Documentation/power/power_supply_class.rst.
*/
- err = of_property_read_string(battery_np, "device-chemistry", &value);
- if (!err) {
+ if (!of_property_read_string(battery_np, "device-chemistry", &value)) {
if (!strcmp("nickel-cadmium", value))
info->technology = POWER_SUPPLY_TECHNOLOGY_NiCd;
else if (!strcmp("nickel-metal-hydride", value))