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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>
This commit is contained in:
Dan Carpenter 2013-04-05 08:42:41 +03:00 committed by Greg Kroah-Hartman
parent 7ca2cd291f
commit 6a3ae8412f
1 changed files with 36 additions and 37 deletions
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73
drivers/usb/serial/keyspan.c
View File

@ -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++];
/* 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);
/* 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;
}
}
tty_flip_buffer_push(&port->port);
}
/* Resubmit urb so we continue receiving */