Propagate the error returned by submit_control_msg() ratehr then always returning -EIO when the hcd code indicates an error.
Signed-off-by: Hans de Goede hdegoede@redhat.com --- common/usb.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/common/usb.c b/common/usb.c index 1b26bfa..20c614c 100644 --- a/common/usb.c +++ b/common/usb.c @@ -192,6 +192,7 @@ int usb_control_msg(struct usb_device *dev, unsigned int pipe, void *data, unsigned short size, int timeout) { ALLOC_CACHE_ALIGN_BUFFER(struct devrequest, setup_packet, 1); + int err;
if ((timeout == 0) && (!asynch_allowed)) { /* request for a asynch control pipe is not allowed */ @@ -209,8 +210,9 @@ int usb_control_msg(struct usb_device *dev, unsigned int pipe, request, requesttype, value, index, size); dev->status = USB_ST_NOT_PROC; /*not yet processed */
- if (submit_control_msg(dev, pipe, data, size, setup_packet) < 0) - return -EIO; + err = submit_control_msg(dev, pipe, data, size, setup_packet); + if (err < 0) + return err; if (timeout == 0) return (int)size;