From: Vasiliy Kulikov <segooon@gmail.com>
Date: Sun, 12 Sep 2010 18:57:14 +0000 (+0400)
Subject: char: hvc: check for error case
X-Git-Tag: firefly_0821_release~7613^2~3626^2~14
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6496a5c9e7ccc4e2ec34c09d04a819f8fdc29981;p=firefly-linux-kernel-4.4.55.git

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 c4efb55cbc03..7a84a0595477 100644
--- 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);