Avoid dereferencing the queue pointer in nvmet_rdma_release_queue_work() after it has been freed by nvmet_rdma_free_queue().
Fixes: d8f7750a08968b10 ("nvmet-rdma: Correctly handle RDMA device hot removal") Signed-off-by: Vincent Stehlé <vincent.ste...@intel.com> Cc: Sagi Grimberg <s...@grimberg.me> Cc: Christoph Hellwig <h...@lst.de> --- drivers/nvme/target/rdma.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c index b4d6485..5de8d0a 100644 --- a/drivers/nvme/target/rdma.c +++ b/drivers/nvme/target/rdma.c @@ -978,10 +978,11 @@ static void nvmet_rdma_release_queue_work(struct work_struct *w) container_of(w, struct nvmet_rdma_queue, release_work); struct rdma_cm_id *cm_id = queue->cm_id; struct nvmet_rdma_device *dev = queue->dev; + enum nvmet_rdma_queue_state state = queue->state; nvmet_rdma_free_queue(queue); - if (queue->state != NVMET_RDMA_IN_DEVICE_REMOVAL) + if (state != NVMET_RDMA_IN_DEVICE_REMOVAL) rdma_destroy_id(cm_id); kref_put(&dev->ref, nvmet_rdma_free_dev); -- 2.8.1