From 1a19ae437ca5d5c7d9ec2678946fb339b1c706bf Mon Sep 17 00:00:00 2001 From: Qasim Ijaz Date: Fri, 6 Jun 2025 19:49:58 +0100 Subject: [PATCH] HID: wacom: fix memory leak on sysfs attribute creation failure When sysfs_create_files() fails during wacom_initialize_remotes() the fifo buffer is not freed leading to a memory leak. Fix this by calling kfifo_free() before returning. Fixes: 83e6b40e2de6 ("HID: wacom: EKR: have the wacom resources dynamically allocated") Reviewed-by: Ping Cheng Cc: stable@vger.kernel.org Signed-off-by: Qasim Ijaz Signed-off-by: Jiri Kosina --- drivers/hid/wacom_sys.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index ec5282bc69d6b..58cbd43a37e9f 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -2058,6 +2058,7 @@ static int wacom_initialize_remotes(struct wacom *wacom) if (error) { hid_err(wacom->hdev, "cannot create sysfs group err: %d\n", error); + kfifo_free(&remote->remote_fifo); return error; } -- 2.47.2