USB: keyspan: pull in one indent level

We can remove the "if (urb->actual_length) {" check because checking for
"while (i < urb->actual_length) {" is sufficient.  This lets us pull the
code in one indent level.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 6abe8a4fee0ee2baf569e51b5c98ee7a86e711e4..3d92394aba3a28770d10abf7064a724cc87b4d69 100644 (file)
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -726,45 +726,44 @@ static void usa49wg_indat_callback(struct urb *urb)
        i = 0;
        len = 0;
 
-       if (urb->actual_length) {
-               while (i < urb->actual_length) {
+       while (i < urb->actual_length) {
 
-                       /* Check port number from message*/
-                       if (data[i] >= serial->num_ports) {
-                               dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n",
-                                       __func__, data[i]);
-                               return;
-                       }
-                       port = serial->port[data[i++]];
-                       len = data[i++];
+               /* Check port number from message */
+               if (data[i] >= serial->num_ports) {
+                       dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n",
+                               __func__, data[i]);
+                       return;
+               }
+               port = serial->port[data[i++]];
+               len = data[i++];
 
-                       /* 0x80 bit is error flag */
-                       if ((data[i] & 0x80) == 0) {
-                               /* no error on any byte */
-                               i++;
-                               for (x = 1; x < len ; ++x)
-                                       tty_insert_flip_char(&port->port,
-                                                       data[i++], 0);
-                       } else {
-                               /*
-                                * some bytes had errors, every byte has status
-                                */
-                               for (x = 0; x + 1 < len; x += 2) {
-                                       int stat = data[i], flag = 0;
-                                       if (stat & RXERROR_OVERRUN)
-                                               flag |= TTY_OVERRUN;
-                                       if (stat & RXERROR_FRAMING)
-                                               flag |= TTY_FRAME;
-                                       if (stat & RXERROR_PARITY)
-                                               flag |= TTY_PARITY;
-                                       /* XXX should handle break (0x10) */
-                                       tty_insert_flip_char(&port->port,
-                                                       data[i+1], flag);
-                                       i += 2;
-                               }
+               /* 0x80 bit is error flag */
+               if ((data[i] & 0x80) == 0) {
+                       /* no error on any byte */
+                       i++;
+                       for (x = 1; x < len ; ++x)
+                               tty_insert_flip_char(&port->port,
+                                               data[i++], 0);
+               } else {
+                       /*
+                        * some bytes had errors, every byte has status
+                        */
+                       for (x = 0; x + 1 < len; x += 2) {
+                               int stat = data[i], flag = 0;
+
+                               if (stat & RXERROR_OVERRUN)
+                                       flag |= TTY_OVERRUN;
+                               if (stat & RXERROR_FRAMING)
+                                       flag |= TTY_FRAME;
+                               if (stat & RXERROR_PARITY)
+                                       flag |= TTY_PARITY;
+                               /* XXX should handle break (0x10) */
+                               tty_insert_flip_char(&port->port, data[i+1],
+                                                    flag);
+                               i += 2;
                        }
-                       tty_flip_buffer_push(&port->port);
                }
+               tty_flip_buffer_push(&port->port);
        }
 
        /* Resubmit urb so we continue receiving */