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[ Upstream commit68e7c510fd] Return an error code if usb_get_function() fails. Don't return success. Fixes:4bc8a33f24("usb: gadget: hid: convert to new interface of f_hid") Acked-by: Felipe Balbi <balbi@kernel.org> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/20211011123739.GC15188@kili Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>