linux-kernel - [PATCH 6/15] sm501fb: check fb_alloc_cmap return value and handle failure properly

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Date:	Sat, 7 Feb 2009 12:14:48 -0500
From:	Andres Salomon <dilinger@...ued.net>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	linux-fbdev-devel@...ts.sourceforge.net, adaplas@...il.com
Subject: [PATCH 6/15] sm501fb: check fb_alloc_cmap return value and handle
 failure properly


Signed-off-by: Andres Salomon <dilinger@...ian.org>
---
 drivers/video/sm501fb.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c
index dcd9879..eb5d73a 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);
-- 
1.5.6.5

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