From: Greg Kroah-Hartman gregkh@linuxfoundation.org
[ Upstream commit 7a6952fa0366d4408eb8695af1a0578c39ec718a ]
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: Daniel Mack daniel@zonque.org Cc: Haojian Zhuang haojian.zhuang@gmail.com Cc: Robert Jarzmik robert.jarzmik@free.fr Link: https://lore.kernel.org/r/20230202153235.2412790-12-gregkh@linuxfoundation.o... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/gadget/udc/pxa27x_udc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c index ac980d6a47406..0ecdfd2ba9e9b 100644 --- a/drivers/usb/gadget/udc/pxa27x_udc.c +++ b/drivers/usb/gadget/udc/pxa27x_udc.c @@ -215,7 +215,7 @@ static void pxa_init_debugfs(struct pxa_udc *udc)
static void pxa_cleanup_debugfs(struct pxa_udc *udc) { - debugfs_remove(debugfs_lookup(udc->gadget.name, usb_debug_root)); + debugfs_lookup_and_remove(udc->gadget.name, usb_debug_root); }
#else