serial: speed setup failure reporting
Invalid speeds are forced to 9600. Update the code for this to encode new
style baud rates properly.
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 304fe32..276da14 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -371,7 +371,8 @@
*/
termios->c_cflag &= ~CBAUD;
if (old) {
- termios->c_cflag |= old->c_cflag & CBAUD;
+ baud = tty_termios_baud_rate(old);
+ tty_termios_encode_baud_rate(termios, baud, baud);
old = NULL;
continue;
}
@@ -380,7 +381,7 @@
* As a last resort, if the quotient is zero,
* default to 9600 bps
*/
- termios->c_cflag |= B9600;
+ tty_termios_encode_baud_rate(termios, 9600, 9600);
}
return 0;