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gpio: cdev: Fix resource leaks on errors in lineinfo_changed_notify()

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On error handling paths, lineinfo_changed_notify() doesn't free the
allocated resources which results leaks.  Fix it.

Cc: stable@vger.kernel.org
Fixes: d4cd0902c1 ("gpio: cdev: make sure the cdev fd is still active before emitting events")
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20260120030857.2144847-1-tzungbi@kernel.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
This commit is contained in:
Tzung-Bi Shih 2026-01-20 03:08:56 +00:00 • committed by Bartosz Golaszewski
parent faff684647
commit 70b3c28053
1 changed files with 1 additions and 0 deletions
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drivers/gpio/gpiolib-cdev.c
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@ -2549,6 +2549,7 @@ static int lineinfo_changed_notify(struct notifier_block *nb,
ctx = kzalloc(sizeof(*ctx), GFP_ATOMIC);
if (!ctx) {
pr_err("Failed to allocate memory for line info notification\n");
fput(fp);
return NOTIFY_DONE;
}