X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fusb%2Fserial%2Fmos7720.c;h=f075121c6e32329d136935d2d1d56ae8b49c784f;hb=195849ea13549dc2390b7db7d80a22d76f73dfae;hp=91bc170b408a08a59c49786e2cb5753149ce2425;hpb=16b5711485b0eba250451b3a85ab869939f20c7d;p=karo-tx-linux.git

diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 91bc170b408a..f075121c6e32 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -234,11 +234,16 @@ static int read_mos_reg(struct usb_serial *serial, unsigned int serial_portnum,
 
 	status = usb_control_msg(usbdev, pipe, request, requesttype, value,
 				     index, buf, 1, MOS_WDR_TIMEOUT);
-	if (status == 1)
+	if (status == 1) {
 		*data = *buf;
-	else if (status < 0)
+	} else {
 		dev_err(&usbdev->dev,
 			"mos7720: usb_control_msg() failed: %d\n", status);
+		if (status >= 0)
+			status = -EIO;
+		*data = 0;
+	}
+
 	kfree(buf);
 
 	return status;
@@ -1846,7 +1851,6 @@ static int get_serial_info(struct moschip_port *mos7720_port,
 	tmp.line		= mos7720_port->port->minor;
 	tmp.port		= mos7720_port->port->port_number;
 	tmp.irq			= 0;
-	tmp.flags		= ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
 	tmp.xmit_fifo_size	= NUM_URBS * URB_TRANSFER_BUFFER_SIZE;
 	tmp.baud_base		= 9600;
 	tmp.close_delay		= 5*HZ;