char: hvc: check for error case

hvc_alloc() may fail, if so exit from init() with error. Signed-off-by: Vasiliy Kulikov <segooon@gmail.com> Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
git-mirror · Oct 14, 2010 · 6496a5c · 6496a5c
1 parent 77d2330
commit 6496a5c
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/drivers/char/hvc_tile.c b/drivers/char/hvc_tile.c
@@ -61,7 +61,8 @@ console_initcall(hvc_tile_console_init);
 
 static int __init hvc_tile_init(void)
 {
-	hvc_alloc(0, 0, &hvc_tile_get_put_ops, 128);
-	return 0;
+	struct hvc_struct *s;
+	s = hvc_alloc(0, 0, &hvc_tile_get_put_ops, 128);
+	return IS_ERR(s) ? PTR_ERR(s) : 0;
 }
 device_initcall(hvc_tile_init);