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NVMe: Check for NULL memory in nvme_dev_add

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Keith Busch 12 years ago
parent
commit
a9ef4343af
1 changed files with 2 additions and 0 deletions
  1. 2 0
      drivers/block/nvme-core.c

+ 2 - 0
drivers/block/nvme-core.c

@@ -1527,6 +1527,8 @@ static int nvme_dev_add(struct nvme_dev *dev)
 
 	mem = dma_alloc_coherent(&dev->pci_dev->dev, 8192, &dma_addr,
 								GFP_KERNEL);
+	if (!mem)
+		return -ENOMEM;
 
 	res = nvme_identify(dev, 0, 1, dma_addr);
 	if (res) {