nvmet-rdma: fix response use after free

[mirror_ubuntu-bionic-kernel.git] / drivers / nvme / target / rdma.c

diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index fdfb0ad2f439d65c8180384a8d2d5d51df68b141..6183a4c38692706e25289971d0b237c647db8a24 100644 (file)
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -524,6 +524,7 @@ static void nvmet_rdma_send_done(struct ib_cq *cq, struct ib_wc *wc)
 {
        struct nvmet_rdma_rsp *rsp =
                container_of(wc->wr_cqe, struct nvmet_rdma_rsp, send_cqe);
+       struct nvmet_rdma_queue *queue = cq->cq_context;
 
        nvmet_rdma_release_rsp(rsp);
 
@@ -531,7 +532,7 @@ static void nvmet_rdma_send_done(struct ib_cq *cq, struct ib_wc *wc)
                     wc->status != IB_WC_WR_FLUSH_ERR)) {
                pr_err("SEND for CQE 0x%p failed with status %s (%d).\n",
                        wc->wr_cqe, ib_wc_status_msg(wc->status), wc->status);
-               nvmet_rdma_error_comp(rsp->queue);
+               nvmet_rdma_error_comp(queue);
        }
 }