linux-kernel - [PATCH 7/15] sstfb: check fb_alloc_cmap return value and handle failure properly

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Message-ID: <20090207121457.28550bdd@ephemeral>
Date:	Sat, 7 Feb 2009 12:14:57 -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 7/15] sstfb: check fb_alloc_cmap return value and handle
 failure properly


Signed-off-by: Andres Salomon <dilinger@...ian.org>
---
 drivers/video/sstfb.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/video/sstfb.c b/drivers/video/sstfb.c
index 5b11a00..609d0a5 100644
--- a/drivers/video/sstfb.c
+++ b/drivers/video/sstfb.c
@@ -1421,13 +1421,16 @@ static int __devinit sstfb_probe(struct pci_dev *pdev,
 		goto fail;
 	}
 	
-	fb_alloc_cmap(&info->cmap, 256, 0);
+	if (fb_alloc_cmap(&info->cmap, 256, 0)) {
+		printk(KERN_ERR "sstfb: can't alloc cmap memory.\n");
+		goto fail;
+	}
 
 	/* register fb */
 	info->device = &pdev->dev;
 	if (register_framebuffer(info) < 0) {
 		printk(KERN_ERR "sstfb: can't register framebuffer.\n");
-		goto fail;
+		goto fail_register;
 	}
 
 	sstfb_clear_screen(info);
@@ -1441,8 +1444,9 @@ static int __devinit sstfb_probe(struct pci_dev *pdev,
 
 	return 0;
 
-fail:
+fail_register:
 	fb_dealloc_cmap(&info->cmap);
+fail:
 	iounmap(info->screen_base);
 fail_fb_remap:
 	iounmap(par->mmio_vbase);
-- 
1.5.6.5

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