USB_DIR_OUT happens to be zero, so the result of bitwise and is always 0. Consequently, break will never happen in the SOFT_RESET case. This patch uses a compatible condition with a non-zero USB_DIR_IN, which might or might not evaluate to zero.
Reported-by: Dan Carpenter <[email protected]> Signed-off-by: Andrzej Pietrasiewicz <[email protected]> --- drivers/usb/gadget/function/f_printer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index 757fcf0..481463a 100644 --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -918,7 +918,7 @@ static bool gprinter_req_match(struct usb_function *f, return false; case SOFT_RESET: if (!w_value && !w_length && - (USB_DIR_OUT & ctrl->bRequestType)) + !(USB_DIR_IN & ctrl->bRequestType)) break; /* fall through */ default: -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
