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Subject[PATCH 12/13] USB: gadget: pxa27x_udc: fix memory leak with using debugfs_lookup()
Date
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>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 ac980d6a4740..0ecdfd2ba9e9 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
--
2.39.1
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