patch-2.1.37 linux/drivers/char/serial.c

• Lines: 9
• Date: Mon May 12 10:35:40 1997
• Orig file: v2.1.36/linux/drivers/char/serial.c
• Orig date: Wed Apr 23 19:01:18 1997

diff -u --recursive --new-file v2.1.36/linux/drivers/char/serial.c linux/drivers/char/serial.c
@@ -899,7 +899,7 @@
 	if (!tty)
 		return;
 
-	if (clear_bit(RS_EVENT_WRITE_WAKEUP, &info->event)) {
+	if (test_and_clear_bit(RS_EVENT_WRITE_WAKEUP, &info->event)) {
 		if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
 		    tty->ldisc.write_wakeup)
 			(tty->ldisc.write_wakeup)(tty);