linux-kernel - [PATCH 1/2] GPU: drm_debugfs, check kmalloc retval

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Date:	Mon, 13 Jul 2009 23:20:20 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	airlied@...ux.ie
Cc:	dri-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	Jiri Slaby <jirislaby@...il.com>
Subject: [PATCH 1/2] GPU: drm_debugfs, check kmalloc retval

Check kmalloc return value in drm_debugfs_create_files and bail out
appropriately if the pointer is NULL.

Signed-off-by: Jiri Slaby <jirislaby@...il.com>
---
 drivers/gpu/drm/drm_debugfs.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index 2960b6d..9903f27 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -101,6 +101,10 @@ int drm_debugfs_create_files(struct drm_info_list *files, int count,
 			continue;
 
 		tmp = kmalloc(sizeof(struct drm_info_node), GFP_KERNEL);
+		if (tmp == NULL) {
+			ret = -1;
+			goto fail;
+		}
 		ent = debugfs_create_file(files[i].name, S_IFREG | S_IRUGO,
 					  root, tmp, &drm_debugfs_fops);
 		if (!ent) {
-- 
1.6.3.2

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