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USB: fotg210: 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. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20230202153235.2412790-5-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -861,7 +861,7 @@ static inline void remove_debug_files(struct fotg210_hcd *fotg210)
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{
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struct usb_bus *bus = &fotg210_to_hcd(fotg210)->self;
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debugfs_remove(debugfs_lookup(bus->bus_name, fotg210_debug_root));
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debugfs_lookup_and_remove(bus->bus_name, fotg210_debug_root);
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}
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/* handshake - spin reading hc until handshake completes or fails
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