commit 900469d0b0c337db19908f77d172f4b17f4573ba
author José Adolfo Galdámez <josegalre@pac-rom.com> Sat Jun 20 23:45:36 2015 -0600
committer William Bellavance <flintman@flintmancomputers.com> Wed Feb 10 20:02:51 2016 -0500
tree e7c8e6e70ad09ecc74c7385269f9a7a908489b88
parent 3591a444f6b8cb82a9b88a49a4e67d8f4b61a6de

Merge tag 'v3.4.108' into mm-6.0

Change-Id: I5ee718e5c87c9647c6edf0926a887679e065a649
Signed-off-by: José Adolfo Galdámez <josegalre@pac-rom.com>

drivers/tty/tty_ioctl.c

diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index f8d03da..9ab33c7 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -153,11 +153,17 @@
 #endif
 	if (!timeout)
 		timeout = MAX_SCHEDULE_TIMEOUT;
+
 	if (wait_event_interruptible_timeout(tty->write_wait,
-			!tty_chars_in_buffer(tty), timeout) >= 0) {
-		if (tty->ops->wait_until_sent)
-			tty->ops->wait_until_sent(tty, timeout);
+			!tty_chars_in_buffer(tty), timeout) < 0) {
+		return;
 	}
+
+	if (timeout == MAX_SCHEDULE_TIMEOUT)
+		timeout = 0;
+
+	if (tty->ops->wait_until_sent)
+		tty->ops->wait_until_sent(tty, timeout);
 }
 EXPORT_SYMBOL(tty_wait_until_sent);