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'ret' is known to be 0 here. Initialize 'ret' with the expected error code before using it. Fixes: 0990366bab3c ("usb: musb: Add support for MediaTek musb controller") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/69f514dc7134e3c917cad208e73cc650cb9e2bd6.1620159879.git.christophe.jaillet@wanadoo.fr Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>