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USB: gadget: pxa27x_udc: fix memory leak with using debugfs_lookup() 

[ Upstream commit 7a6952fa03 ]

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.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Greg Kroah-Hartman 2023-02-02 16:32:34 +01:00
parent 78d9586d8e
commit b14d188d0d
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/gadget/udc/pxa27x_udc.c
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@ -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