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authorBob Pearson <rpearsonhpe@gmail.com>2021-07-29 17:00:38 -0500
committerJason Gunthorpe <jgg@nvidia.com>2021-08-02 12:45:22 -0300
commite2a05339fa1188b6b37540f4611893ac4c534fa2 (patch)
tree52c9847587e4fe81ad97e994f536ce28f6b35102
parentdb4657afd10e45855ac1d8437fcc9a86bd3d741d (diff)
RDMA/rxe: Use the correct size of wqe when processing SRQ
The memcpy() that copies a WQE from a SRQ the QP uses an incorrect size. The size should have been the size of the rxe_send_wqe struct not the size of a pointer to it. The result is that IO operations using a SRQ on the responder side will fail. Fixes: ec0fa2445c18 ("RDMA/rxe: Fix over copying in get_srq_wqe") Link: https://lore.kernel.org/r/20210729220039.18549-2-rpearsonhpe@gmail.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
-rw-r--r--drivers/infiniband/sw/rxe/rxe_resp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index 3743dc39b60c..360ec67cb9e1 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -318,7 +318,7 @@ static enum resp_states get_srq_wqe(struct rxe_qp *qp)
pr_warn("%s: invalid num_sge in SRQ entry\n", __func__);
return RESPST_ERR_MALFORMED_WQE;
}
- size = sizeof(wqe) + wqe->dma.num_sge*sizeof(struct rxe_sge);
+ size = sizeof(*wqe) + wqe->dma.num_sge*sizeof(struct rxe_sge);
memcpy(&qp->resp.srq_wqe, wqe, size);
qp->resp.wqe = &qp->resp.srq_wqe.wqe;