Patch "USB: gadget: lpc32xx_udc: fix memory leak with using debugfs_lookup()" has been added to the 6.1-stable tree

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This is a note to let you know that I've just added the patch titled

    USB: gadget: lpc32xx_udc: fix memory leak with using debugfs_lookup()

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     usb-gadget-lpc32xx_udc-fix-memory-leak-with-using-de.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 35c3a0da9aafe2b40f4edae832f391103587cc5f
Author: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Date:   Thu Feb 2 16:32:32 2023 +0100

    USB: gadget: lpc32xx_udc: fix memory leak with using debugfs_lookup()
    
    [ Upstream commit e3965acaf3739fde9d74ad82979b46d37c6c208f ]
    
    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@xxxxxxxxx>
    Cc: Miaoqian Lin <linmq006@xxxxxxxxx>
    Acked-by: Vladimir Zapolskiy <vz@xxxxxxxxx>
    Link: https://lore.kernel.org/r/20230202153235.2412790-10-gregkh@xxxxxxxxxxxxxxxxxxx
    Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c
index cea10cdb83ae5..fe62db32dd0eb 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



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