From: Miaoqian Lin Date: Mon, 24 Jan 2022 13:13:46 +0000 (+0000) Subject: power: supply: ab8500: Fix memory leak in ab8500_fg_sysfs_init X-Git-Tag: v5.17.2~584 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c32f6b6196b6efc1c68990dfeaac36fb8eb3b8e1;p=thirdparty%2Fkernel%2Fstable.git power: supply: ab8500: Fix memory leak in ab8500_fg_sysfs_init [ Upstream commit 6a4760463dbc6b603690938c468839985189ce0a ] kobject_init_and_add() takes reference even when it fails. According to the doc of kobject_init_and_add()： If this function returns an error, kobject_put() must be called to properly clean up the memory associated with the object. Fix memory leak by calling kobject_put(). Fixes: 8c0984e5a753 ("power: move power supply drivers to power/supply") Signed-off-by: Miaoqian Lin Signed-off-by: Sebastian Reichel Signed-off-by: Sasha Levin --- diff --git a/drivers/power/supply/ab8500_fg.c b/drivers/power/supply/ab8500_fg.c index 236fd9f9d6f14..09a4cbd69676a 100644 --- a/drivers/power/supply/ab8500_fg.c +++ b/drivers/power/supply/ab8500_fg.c @@ -2527,8 +2527,10 @@ static int ab8500_fg_sysfs_init(struct ab8500_fg *di) ret = kobject_init_and_add(&di->fg_kobject, &ab8500_fg_ktype, NULL, "battery"); - if (ret < 0) + if (ret < 0) { + kobject_put(&di->fg_kobject); dev_err(di->dev, "failed to create sysfs entry\n"); + } return ret; }