[PATCH v0 41/42] power: supply: ab8500: Check notifier registration return value

From: Borislav Petkov
Date: Mon Nov 08 2021 - 05:16:50 EST


From: Borislav Petkov <bp@xxxxxxx>

Avoid homegrown notifier registration checks.

No functional changes.

Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: linux-pm@xxxxxxxxxxxxxxx
---
drivers/power/supply/ab8500_charger.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/power/supply/ab8500_charger.c b/drivers/power/supply/ab8500_charger.c
index 15eadaf46f14..de99f070cbc2 100644
--- a/drivers/power/supply/ab8500_charger.c
+++ b/drivers/power/supply/ab8500_charger.c
@@ -3644,10 +3644,10 @@ static int ab8500_charger_probe(struct platform_device *pdev)
}

/* Notifier for external charger enabling */
- if (!di->ac_chg.enabled)
- blocking_notifier_chain_register(
- &charger_notifier_list, &charger_nb);
-
+ if (!di->ac_chg.enabled) {
+ if (blocking_notifier_chain_register(&charger_notifier_list, &charger_nb))
+ pr_warn("Charger notifier already registered\n");
+ }

di->usb_phy = usb_get_phy(USB_PHY_TYPE_USB2);
if (IS_ERR_OR_NULL(di->usb_phy)) {
--
2.29.2