Commit 2c884443 authored by Sindhu-Devale's avatar Sindhu-Devale Committed by Leon Romanovsky
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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: 551c46ed ("RDMA/irdma: Add user/kernel shared libraries")
Signed-off-by: default avatarSindhu-Devale <sindhu.devale@intel.com>
Signed-off-by: default avatarShiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20220906223244.1119-5-shiraz.saleem@intel.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent dcb23bbb

drivers/infiniband/hw/irdma/uk.c

+2 −1
Original line number Diff line number Diff line
@@ -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;

	}