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>
diff --git a/drivers/char/hvc_tile.c b/drivers/char/hvc_tile.c
index c4efb55..7a84a05 100644
--- a/drivers/char/hvc_tile.c
+++ b/drivers/char/hvc_tile.c
@@ -61,7 +61,8 @@
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);