From 31de0b70ae5661a407e9d578bbc41de2d83ac25d Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 2 Feb 2023 16:32:31 +0100 Subject: [PATCH] USB: gadget: bcm63xx_udc: fix memory leak with using debugfs_lookup() [ Upstream commit a91c99b1fe5c6f7e52fb932ad9e57ec7cfe913ec ] When calling debugfs_lookup() the result must have dput() called on it, otherwise the memory will leak over time. To make things simpler, just call debugfs_lookup_and_remove() instead which handles all of the logic at once. Cc: Kevin Cernekee Link: https://lore.kernel.org/r/20230202153235.2412790-9-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/gadget/udc/bcm63xx_udc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/udc/bcm63xx_udc.c b/drivers/usb/gadget/udc/bcm63xx_udc.c index d04d72f5816e..8d5892891300 100644 --- a/drivers/usb/gadget/udc/bcm63xx_udc.c +++ b/drivers/usb/gadget/udc/bcm63xx_udc.c @@ -2258,7 +2258,7 @@ static void bcm63xx_udc_init_debugfs(struct bcm63xx_udc *udc) */ static void bcm63xx_udc_cleanup_debugfs(struct bcm63xx_udc *udc) { - debugfs_remove(debugfs_lookup(udc->gadget.name, usb_debug_root)); + debugfs_lookup_and_remove(udc->gadget.name, usb_debug_root); } /***********************************************************************