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>
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@ -2437,8 +2437,11 @@ static int vmalloc_open(struct inode *inode, struct file *file)
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unsigned int *ptr = NULL;
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int ret;
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if (NUMA_BUILD)
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if (NUMA_BUILD) {
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ptr = kmalloc(nr_node_ids * sizeof(unsigned int), GFP_KERNEL);
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if (ptr == NULL)
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return -ENOMEM;
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}
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ret = seq_open(file, &vmalloc_op);
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if (!ret) {
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struct seq_file *m = file->private_data;
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