Commit d9fa3aae authored by Charles Han's avatar Charles Han Committed by Sebastian Reichel
Browse files

power: supply: cpcap-charger: Fix null check for power_supply_get_by_name 



In the cpcap_usb_detect() function, the power_supply_get_by_name()
function may return `NULL` instead of an error pointer.
To prevent potential null pointer dereferences, Added a null check.

Fixes: eab4e6d9 ("power: supply: cpcap-charger: get the battery inserted infomation from cpcap-battery")
Signed-off-by: default avatarCharles Han <hanchunchao@inspur.com>
Link: https://lore.kernel.org/r/20250519024741.5846-1-hanchunchao@inspur.com


Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.com>
parent 7cf88213

drivers/power/supply/cpcap-charger.c

+2 −3
Original line number Diff line number Diff line
@@ -689,9 +689,8 @@ static void cpcap_usb_detect(struct work_struct *work) 
		struct power_supply *battery;



		battery = power_supply_get_by_name("battery");

		if (IS_ERR_OR_NULL(battery)) {

			dev_err(ddata->dev, "battery power_supply not available %li\n",

					PTR_ERR(battery));

		if (!battery) {

			dev_err(ddata->dev, "battery power_supply not available\n");

			return;

		}