[PATCH] nvme-rdma: Fix early queue flags settings
Sagi Grimberg
sagi at grimberg.me
Tue Sep 20 11:57:28 PDT 2016
When we reconnect we can't really clear the
queue flags (DELETING flag in specific) because
we might end up trigerring a use-after-free condition
if we fail to establish the rdma connection.
Fixes: e89ca58f9c90 ("nvme-rdma: add DELETING queue flag")
Signed-off-by: Sagi Grimberg <sagi at grimberg.me>
---
drivers/nvme/host/rdma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index c2c2c28e6eb5..3437f0e8866f 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -561,7 +561,6 @@ static int nvme_rdma_init_queue(struct nvme_rdma_ctrl *ctrl,
queue = &ctrl->queues[idx];
queue->ctrl = ctrl;
- queue->flags = 0;
init_completion(&queue->cm_done);
if (idx > 0)
@@ -595,6 +594,7 @@ static int nvme_rdma_init_queue(struct nvme_rdma_ctrl *ctrl,
goto out_destroy_cm_id;
}
+ queue->flags = 0;
set_bit(NVME_RDMA_Q_CONNECTED, &queue->flags);
return 0;
--
1.9.1
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