Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d6013471 authored by Steve Wise's avatar Steve Wise Committed by Roland Dreier
Browse files

RDMA/cxgb3: Handle build_phys_page_list() failure in iwch_reregister_phys_mem() 



Signed-off-by: default avatarSteve Wise <swise@opengridcomputing.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent fae8773b

drivers/infiniband/hw/cxgb3/iwch_provider.c

+4 −1
Original line number Original line Diff line number Diff line
@@ -545,11 +545,14 @@ static int iwch_reregister_phys_mem(struct ib_mr *mr, 
		php = to_iwch_pd(pd);

		php = to_iwch_pd(pd);

	if (mr_rereg_mask & IB_MR_REREG_ACCESS)

	if (mr_rereg_mask & IB_MR_REREG_ACCESS)

		mh.attr.perms = iwch_ib_to_tpt_access(acc);

		mh.attr.perms = iwch_ib_to_tpt_access(acc);

	if (mr_rereg_mask & IB_MR_REREG_TRANS)

	if (mr_rereg_mask & IB_MR_REREG_TRANS) {

		ret = build_phys_page_list(buffer_list, num_phys_buf,

		ret = build_phys_page_list(buffer_list, num_phys_buf,

					   iova_start,

					   iova_start,

					   &total_size, &npages,

					   &total_size, &npages,

					   &shift, &page_list);

					   &shift, &page_list);

		if (ret)

			return ret;

	}





	ret = iwch_reregister_mem(rhp, php, &mh, shift, page_list, npages);

	ret = iwch_reregister_mem(rhp, php, &mh, shift, page_list, npages);

	kfree(page_list);

	kfree(page_list);