linux-kernel - [PATCH 14/15] amifb: check fb_alloc_cmap return value and handle failure properly

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Message-ID: <20090207121857.6bc5d5bc@ephemeral>
Date:	Sat, 7 Feb 2009 12:18:57 -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 14/15] amifb: check fb_alloc_cmap return value and handle
 failure properly


Signed-off-by: Andres Salomon <dilinger@...ian.org>
---
 drivers/video/amifb.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/video/amifb.c b/drivers/video/amifb.c
index 100f236..82bedd7 100644
--- a/drivers/video/amifb.c
+++ b/drivers/video/amifb.c
@@ -2437,7 +2437,9 @@ default_chipset:
 		goto amifb_error;
 	}
 
-	fb_alloc_cmap(&fb_info.cmap, 1<<fb_info.var.bits_per_pixel, 0);
+	err = fb_alloc_cmap(&fb_info.cmap, 1<<fb_info.var.bits_per_pixel, 0);
+	if (err)
+		goto amifb_error;
 
 	if (register_framebuffer(&fb_info) < 0) {
 		err = -EINVAL;
@@ -2456,7 +2458,8 @@ amifb_error:
 
 static void amifb_deinit(void)
 {
-	fb_dealloc_cmap(&fb_info.cmap);
+	if (fb_info.cmap.len)
+		fb_dealloc_cmap(&fb_info.cmap);
 	chipfree();
 	if (videomemory)
 		iounmap((void*)videomemory);
-- 
1.5.6.5

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