From: Kulikov Vasiliy <segooon@gmail.com>
Date: Tue, 10 Aug 2010 00:19:58 +0000 (-0700)
Subject: mm/vmalloc.c: check kmalloc() return value
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=51980ac9e72fb5f22c81b7798d65b691125d70ee;p=linux-beck.git

mm/vmalloc.c: check kmalloc() return value

kmalloc() may fail, if so return -ENOMEM.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 8b5e4370540b..918c51335d64 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2437,8 +2437,11 @@ static int vmalloc_open(struct inode *inode, struct file *file)
 	unsigned int *ptr = NULL;
 	int ret;
 
-	if (NUMA_BUILD)
+	if (NUMA_BUILD) {
 		ptr = kmalloc(nr_node_ids * sizeof(unsigned int), GFP_KERNEL);
+		if (ptr == NULL)
+			return -ENOMEM;
+	}
 	ret = seq_open(file, &vmalloc_op);
 	if (!ret) {
 		struct seq_file *m = file->private_data;