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NVMe: Check for NULL memory in nvme_dev_add
author
Keith Busch
<keith.busch@intel.com>
Wed, 1 May 2013 19:07:48 +0000
(13:07 -0600)
committer
Matthew Wilcox
<matthew.r.wilcox@intel.com>
Thu, 2 May 2013 18:35:44 +0000
(14:35 -0400)
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
drivers/block/nvme-core.c
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diff --git
a/drivers/block/nvme-core.c
b/drivers/block/nvme-core.c
index 388c54d84809f57f650953834378e3b3ff4df6e3..2d4f2ae36d314421626f0a6e8eec0611a07af97c 100644
(file)
--- a/
drivers/block/nvme-core.c
+++ b/
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) {