471 		if (fr_desc->pi_ctx) {  in isert_conn_free_fastreg_pool()
472 			ib_dereg_mr(fr_desc->pi_ctx->prot_mr);  in isert_conn_free_fastreg_pool()
473 			ib_dereg_mr(fr_desc->pi_ctx->sig_mr);  in isert_conn_free_fastreg_pool()
474 			kfree(fr_desc->pi_ctx);  in isert_conn_free_fastreg_pool()
490 	struct pi_context *pi_ctx;  in isert_create_pi_ctx()  local
493 	pi_ctx = kzalloc(sizeof(*desc->pi_ctx), GFP_KERNEL);  in isert_create_pi_ctx()
494 	if (!pi_ctx) {  in isert_create_pi_ctx()
499 	pi_ctx->prot_mr = ib_alloc_mr(pd, IB_MR_TYPE_MEM_REG,  in isert_create_pi_ctx()
501 	if (IS_ERR(pi_ctx->prot_mr)) {  in isert_create_pi_ctx()
503 			  PTR_ERR(pi_ctx->prot_mr));  in isert_create_pi_ctx()
504 		ret = PTR_ERR(pi_ctx->prot_mr);  in isert_create_pi_ctx()
509 	pi_ctx->sig_mr = ib_alloc_mr(pd, IB_MR_TYPE_SIGNATURE, 2);  in isert_create_pi_ctx()
510 	if (IS_ERR(pi_ctx->sig_mr)) {  in isert_create_pi_ctx()
512 			  PTR_ERR(pi_ctx->sig_mr));  in isert_create_pi_ctx()
513 		ret = PTR_ERR(pi_ctx->sig_mr);  in isert_create_pi_ctx()
517 	desc->pi_ctx = pi_ctx;  in isert_create_pi_ctx()
524 	ib_dereg_mr(pi_ctx->prot_mr);  in isert_create_pi_ctx()
526 	kfree(pi_ctx);  in isert_create_pi_ctx()
1886 					    wr->fr_desc->pi_ctx->sig_mr);  in isert_completion_rdma_write()
1912 					    wr->fr_desc->pi_ctx->sig_mr);  in isert_completion_rdma_read()
2543 		mr = fr_desc->pi_ctx->prot_mr;  in isert_fast_reg_mr()
2655 	struct pi_context *pi_ctx = fr_desc->pi_ctx;  in isert_reg_sig_mr()  local
2667 		isert_inv_rkey(&inv_wr, pi_ctx->sig_mr);  in isert_reg_sig_mr()
2678 	sig_wr.sig_mr = pi_ctx->sig_mr;  in isert_reg_sig_mr()
2694 	rdma_wr->ib_sg[SIG].lkey = pi_ctx->sig_mr->lkey;  in isert_reg_sig_mr()
2721 	if (!wr->fr_desc->pi_ctx) {  in isert_handle_prot_cmd()