USB: gadget: gr_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> Link: https://lore.kernel.org/r/20230202153235.2412790-8-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -215,7 +215,7 @@ static void gr_dfs_create(struct gr_udc *dev)
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static void gr_dfs_delete(struct gr_udc *dev)
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{
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debugfs_remove(debugfs_lookup(dev_name(dev->dev), usb_debug_root));
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debugfs_lookup_and_remove(dev_name(dev->dev), usb_debug_root);
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}
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#else /* !CONFIG_USB_GADGET_DEBUG_FS */
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