If we got a remote invalidation on a bogus rkey, this is a protocol
error. fail if it happened.
Signed-off-by: Sagi Grimberg <sagi@xxxxxxxxxxx>
---
drivers/nvme/host/rdma.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 363dd1ca1a82..4ba58939bdc6 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -1334,8 +1334,13 @@ static int nvme_rdma_process_nvme_rsp(struct nvme_rdma_queue *queue,
req->status = cqe->status;
req->result = cqe->result;
- if ((wc->wc_flags & IB_WC_WITH_INVALIDATE) &&
- wc->ex.invalidate_rkey == req->mr->rkey) {
+ if (wc->wc_flags & IB_WC_WITH_INVALIDATE) {
+ if (unlikely(wc->ex.invalidate_rkey != req->mr->rkey)) {
+ dev_err(queue->ctrl->ctrl.device,
+ "Bogus remote invalidation for rkey %#x\n",
+ req->mr->rkey);
+ nvme_rdma_error_recovery(queue->ctrl);
+ }
req->mr->need_inval = false;
} else if (req->mr->need_inval) {
ret = nvme_rdma_inv_rkey(queue, req);
--
2.14.1
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