[PATCH] fix tty_destroy

[Tim Wiederhake]

fixes segfault when active tty could not be opened
fixes copy-paste mistake.
---
 compositor/tty.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/compositor/tty.c b/compositor/tty.c
index 70c319d..6314b14 100644
--- a/compositor/tty.c
+++ b/compositor/tty.c
@@ -148,12 +148,12 @@ tty_create(struct wlsc_compositor *compositor)
 void
 tty_destroy(struct tty *tty)
 {
-	int ret;
+        if(!tty)
+                return;
 
-	ret = ioctl(tty->fd, KDSETMODE, KD_TEXT);
-	if (ret)
+	if (ioctl(tty->fd, KDSETMODE, KD_TEXT))
 		fprintf(stderr,
-			"failed to set KD_GRAPHICS mode on tty: %m\n");
+			"failed to set KD_TEXT mode on tty: %m\n");
 
 	if (tcsetattr(tty->fd, TCSANOW, &tty->terminal_attributes) < 0)
 		fprintf(stderr,
-- 
1.7.2.3