linux-kernel - [PATCH] video: fbdev: skeletonfb.c: Adding code to managing allocation error

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Message-Id: <1403356646-29443-1-git-send-email-rickard_strandqvist@spectrumdigital.se>
Date:	Sat, 21 Jun 2014 15:17:26 +0200
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Jingoo Han <jg1.han@...sung.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Joe Perches <joe@...ches.com>, linux-fbdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] video: fbdev: skeletonfb.c:  Adding code to managing allocation error

Adding missing code for managing a memory allocation error that may occur.

This was partly found using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 drivers/video/fbdev/skeletonfb.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/video/fbdev/skeletonfb.c b/drivers/video/fbdev/skeletonfb.c
index fefde7c..ee6dc7e 100644
--- a/drivers/video/fbdev/skeletonfb.c
+++ b/drivers/video/fbdev/skeletonfb.c
@@ -692,6 +692,7 @@ static int xxxfb_probe(struct pci_dev *dev, const struct pci_device_id *ent)
 
     if (!info) {
 	    /* goto error path */
+	    return -ENOMEM;
     }
 
     par = info->par;
@@ -746,6 +747,7 @@ static int xxxfb_probe(struct pci_dev *dev, const struct pci_device_id *ent)
     info->pixmap.addr = kmalloc(PIXMAP_SIZE, GFP_KERNEL);
     if (!info->pixmap.addr) {
 	    /* goto error */
+	    return -ENOMEM;
     }
 
     info->pixmap.size = PIXMAP_SIZE;
-- 
1.7.10.4

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