From: Sindhu-Devale Date: Tue, 6 Sep 2022 22:32:43 +0000 (-0500) Subject: RDMA/irdma: Use s/g array in post send only when its valid X-Git-Tag: v6.1-rc5~457^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2c8844431d065ae15a6b442f5769b60aeaaa07af;p=platform%2Fkernel%2Flinux-starfive.git RDMA/irdma: Use s/g array in post send only when its valid Send with invalidate verb call can pass in an uninitialized s/g array with 0 sge's which is filled into irdma WQE and causes a HW asynchronous event. Fix this by using the s/g array in irdma post send only when its valid. Fixes: 551c46e ("RDMA/irdma: Add user/kernel shared libraries") Signed-off-by: Sindhu-Devale Signed-off-by: Shiraz Saleem Link: https://lore.kernel.org/r/20220906223244.1119-5-shiraz.saleem@intel.com Signed-off-by: Leon Romanovsky --- diff --git a/drivers/infiniband/hw/irdma/uk.c b/drivers/infiniband/hw/irdma/uk.c index d003ad8..a6e5d35 100644 --- a/drivers/infiniband/hw/irdma/uk.c +++ b/drivers/infiniband/hw/irdma/uk.c @@ -497,7 +497,8 @@ int irdma_uk_send(struct irdma_qp_uk *qp, struct irdma_post_sq_info *info, FIELD_PREP(IRDMAQPSQ_IMMDATA, info->imm_data)); i = 0; } else { - qp->wqe_ops.iw_set_fragment(wqe, 0, op_info->sg_list, + qp->wqe_ops.iw_set_fragment(wqe, 0, + frag_cnt ? op_info->sg_list : NULL, qp->swqe_polarity); i = 1; }