From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 16 Dec 2013 09:49:23 +0000 (+0300)
Subject: tgafb: potential NULL dereference in init
X-Git-Tag: upstream/snapshot3+hdmi~3583^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0ede5804ca3b42c831f7440ec29bc7187e5376bb;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

tgafb: potential NULL dereference in init

Static checkers complain that there are paths where "tga_type_name" can
be NULL.  I've re-arranged the code slightly so that's impossible.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---

diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c
index 5e94c6e4..07c7df9 100644
--- a/drivers/video/tgafb.c
+++ b/drivers/video/tgafb.c
@@ -1490,10 +1490,9 @@ tgafb_init_fix(struct fb_info *info)
 		if (tga_bus_tc)
 			tga_type_name = "Digital ZLX-E3";
 		break;
-	default:
-		tga_type_name = "Unknown";
-		break;
 	}
+	if (!tga_type_name)
+		tga_type_name = "Unknown";
 
 	strlcpy(info->fix.id, tga_type_name, sizeof(info->fix.id));