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| author | Kulikov Vasiliy <segooon@gmail.com> | 2010-08-09 17:19:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-09 20:45:03 -0700 |
| commit | 51980ac9e72fb5f22c81b7798d65b691125d70ee (patch) | |
| tree | fc12938848882bd76f7420f28d723056d9e5518e /mm/vmalloc.c | |
| parent | cc8e970c3ce4d98afa8eb02dbd2526ce57f7611a (diff) | |
| download | lwn-51980ac9e72fb5f22c81b7798d65b691125d70ee.tar.gz lwn-51980ac9e72fb5f22c81b7798d65b691125d70ee.zip | |
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>
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 5 |
1 files changed, 4 insertions, 1 deletions
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; |