Commit 0fc176df authored Oct 11, 2017 by Sagi Grimberg Committed by Christoph Hellwig Oct 18, 2017

nvme-rdma: Check that reinit_request got a proper mr



Warn if req->mr is NULL as it should never happen.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>

parent 0c5b43b9

drivers/nvme/host/rdma.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -274,6 +274,9 @@ static int nvme_rdma_reinit_request(void data, struct request rq)
		struct nvme_rdma_request *req = blk_mq_rq_to_pdu(rq);
		int ret = 0;

		if (WARN_ON_ONCE(!req->mr))
		return 0;

		ib_dereg_mr(req->mr);

		req->mr = ib_alloc_mr(dev->pd, IB_MR_TYPE_MEM_REG,

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