NVMe: Check returns from nvme_alloc_queue() (3f85d50b) · Commits · 戴 / test

drivers/block/nvme.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -619,6 +619,9 @@ static __devinit struct nvme_queue nvme_create_queue(struct nvme_dev dev,
		int result;
		struct nvme_queue *nvmeq = nvme_alloc_queue(dev, qid, cq_size, vector);

		if (!nvmeq)
		return NULL;

		result = adapter_alloc_cq(dev, qid, nvmeq);
		if (result < 0)
		goto free_nvmeq;
		@@ -655,6 +658,8 @@ static int __devinit nvme_configure_admin_queue(struct nvme_dev *dev)
		dev->dbs = ((void __iomem *)dev->bar) + 4096;

		nvmeq = nvme_alloc_queue(dev, 0, 64, 0);
		if (!nvmeq)
		return -ENOMEM;

		aqa = nvmeq->q_depth - 1;
		aqa \|= aqa << 16;