From baf7df456b3848e4b6f8648e754e3a0f77fe700e Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Fri, 4 Dec 2020 09:51:09 +0100 Subject: [PATCH] USB: core: drop short-transfer check from usb_control_msg_send() A failure to send a complete control message is always an error so there's no need to check for short transfers in usb_control_msg_send(). Signed-off-by: Johan Hovold Link: https://lore.kernel.org/r/20201204085110.20055-3-johan@kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/message.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index c4e876050074..0d8f75e94d46 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -219,9 +219,8 @@ int usb_control_msg_send(struct usb_device *dev, __u8 endpoint, __u8 request, if (ret < 0) return ret; - if (ret == size) - return 0; - return -EINVAL; + + return 0; } EXPORT_SYMBOL_GPL(usb_control_msg_send); -- 2.20.1