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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-02-02 18:32:32 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-02-06 15:46:42 +0300
commite3965acaf3739fde9d74ad82979b46d37c6c208f (patch)
tree5acf3ecb46a39f253162335e6075bea5060a7609 /drivers/usb
parenta91c99b1fe5c6f7e52fb932ad9e57ec7cfe913ec (diff)
downloadlinux-e3965acaf3739fde9d74ad82979b46d37c6c208f.tar.xz
USB: gadget: lpc32xx_udc: fix memory leak with using debugfs_lookup()
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: Jakob Koschel <jakobkoschel@gmail.com> Cc: Miaoqian Lin <linmq006@gmail.com> Acked-by: Vladimir Zapolskiy <vz@mleia.com> Link: https://lore.kernel.org/r/20230202153235.2412790-10-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/udc/lpc32xx_udc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c
index cea10cdb83ae..fe62db32dd0e 100644
--- a/drivers/usb/gadget/udc/lpc32xx_udc.c
+++ b/drivers/usb/gadget/udc/lpc32xx_udc.c
@@ -532,7 +532,7 @@ static void create_debug_file(struct lpc32xx_udc *udc)
static void remove_debug_file(struct lpc32xx_udc *udc)
{
- debugfs_remove(debugfs_lookup(debug_filename, NULL));
+ debugfs_lookup_and_remove(debug_filename, NULL);
}
#else