From 0a5d924e5954e81a905907512f8c7a1cbf81d700 Mon Sep 17 00:00:00 2001
From: Andres Salomon <dilinger@queued.net>
Date: Tue, 31 Mar 2009 15:25:24 -0700
Subject: [PATCH] sm501fb: check fb_alloc_cmap return value and handle failure
 properly

Signed-off-by: Andres Salomon <dilinger@debian.org>
Acked-by: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/sm501fb.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c
index dcd98793d568..eb5d73a06702 100644
--- a/drivers/video/sm501fb.c
+++ b/drivers/video/sm501fb.c
@@ -1525,7 +1525,10 @@ static int sm501fb_init_fb(struct fb_info *fb,
 	}
 
 	/* initialise and set the palette */
-	fb_alloc_cmap(&fb->cmap, NR_PALETTE, 0);
+	if (fb_alloc_cmap(&fb->cmap, NR_PALETTE, 0)) {
+		dev_err(info->dev, "failed to allocate cmap memory\n");
+		return -ENOMEM;
+	}
 	fb_set_cmap(&fb->cmap, fb);
 
 	ret = (fb->fbops->fb_check_var)(&fb->var, fb);
-- 
2.20.1