Linux RDMA and InfiniBand development
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From: Guoqing Jiang <guoqing.jiang@linux.dev>
To: bmt@zurich.ibm.com, jgg@ziepe.ca, leon@kernel.org
Cc: linux-rdma@vger.kernel.org
Subject: [PATCH V5 11/17] RDMA/siw: Introduce siw_free_cm_id
Date: Mon, 13 Nov 2023 19:57:20 +0800	[thread overview]
Message-ID: <20231113115726.12762-12-guoqing.jiang@linux.dev> (raw)
In-Reply-To: <20231113115726.12762-1-guoqing.jiang@linux.dev>

Factor out a helper to simplify code.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202310091656.JlrmcNXB-lkp@intel.com/
Acked-by: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Guoqing Jiang <guoqing.jiang@linux.dev>
---
 drivers/infiniband/sw/siw/siw_cm.c | 30 ++++++++++++++----------------
 1 file changed, 14 insertions(+), 16 deletions(-)

diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c
index d72c9fab01d9..36fd459b136c 100644
--- a/drivers/infiniband/sw/siw/siw_cm.c
+++ b/drivers/infiniband/sw/siw/siw_cm.c
@@ -364,6 +364,15 @@ static int siw_cm_upcall(struct siw_cep *cep, enum iw_cm_event_type reason,
 	return id->event_handler(id, &event);
 }
 
+static void siw_free_cm_id(struct siw_cep *cep)
+{
+	if (!cep->cm_id)
+		return;
+
+	cep->cm_id->rem_ref(cep->cm_id);
+	cep->cm_id = NULL;
+}
+
 /*
  * siw_qp_cm_drop()
  *
@@ -415,8 +424,7 @@ void siw_qp_cm_drop(struct siw_qp *qp, int schedule)
 			default:
 				break;
 			}
-			cep->cm_id->rem_ref(cep->cm_id);
-			cep->cm_id = NULL;
+			siw_free_cm_id(cep);
 			siw_cep_put(cep);
 		}
 		cep->state = SIW_EPSTATE_CLOSED;
@@ -1180,8 +1188,7 @@ static void siw_cm_work_handler(struct work_struct *w)
 			cep->sock = NULL;
 		}
 		if (cep->cm_id) {
-			cep->cm_id->rem_ref(cep->cm_id);
-			cep->cm_id = NULL;
+			siw_free_cm_id(cep);
 			siw_cep_put(cep);
 		}
 	}
@@ -1710,10 +1717,7 @@ int siw_accept(struct iw_cm_id *id, struct iw_cm_conn_param *params)
 
 	cep->state = SIW_EPSTATE_CLOSED;
 
-	if (cep->cm_id) {
-		cep->cm_id->rem_ref(id);
-		cep->cm_id = NULL;
-	}
+	siw_free_cm_id(cep);
 	if (qp->cep) {
 		siw_cep_put(cep);
 		qp->cep = NULL;
@@ -1888,10 +1892,7 @@ int siw_create_listen(struct iw_cm_id *id, int backlog)
 	if (cep) {
 		siw_cep_set_inuse(cep);
 
-		if (cep->cm_id) {
-			cep->cm_id->rem_ref(cep->cm_id);
-			cep->cm_id = NULL;
-		}
+		siw_free_cm_id(cep);
 		cep->sock = NULL;
 		siw_socket_disassoc(s);
 		cep->state = SIW_EPSTATE_CLOSED;
@@ -1920,10 +1921,7 @@ static void siw_drop_listeners(struct iw_cm_id *id)
 
 		siw_cep_set_inuse(cep);
 
-		if (cep->cm_id) {
-			cep->cm_id->rem_ref(cep->cm_id);
-			cep->cm_id = NULL;
-		}
+		siw_free_cm_id(cep);
 		if (cep->sock) {
 			siw_socket_disassoc(cep->sock);
 			sock_release(cep->sock);
-- 
2.35.3


  parent reply	other threads:[~2023-11-13 11:57 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-13 11:57 [PATCH V5 00/17] Cleanup for siw Guoqing Jiang
2023-11-13 11:57 ` [PATCH V5 01/17] RDMA/siw: Introduce siw_get_page Guoqing Jiang
2023-11-13 11:57 ` [PATCH V5 02/17] RDMA/siw: Introduce siw_update_skb_rcvd Guoqing Jiang
2023-11-13 11:57 ` [PATCH V5 03/17] RDMA/siw: Use iov.iov_len in kernel_sendmsg Guoqing Jiang
2023-11-13 11:57 ` [PATCH V5 04/17] RDMA/siw: Remove goto lable in siw_mmap Guoqing Jiang
2023-11-13 11:57 ` [PATCH V5 05/17] RDMA/siw: Remove rcu from siw_qp Guoqing Jiang
2023-11-13 11:57 ` [PATCH V5 06/17] RDMA/siw: No need to check term_info.valid before call siw_send_terminate Guoqing Jiang
2023-11-13 11:57 ` [PATCH V5 07/17] RDMA/siw: Factor out siw_rx_data helper Guoqing Jiang
2023-11-13 11:57 ` [PATCH V5 08/17] RDMA/siw: Introduce SIW_STAG_MAX_INDEX Guoqing Jiang
2023-11-13 11:57 ` [PATCH V5 09/17] RDMA/siw: Add one parameter to siw_destroy_cpulist Guoqing Jiang
2023-11-13 11:57 ` [PATCH V5 10/17] RDMA/siw: Introduce siw_cep_set_free_and_put Guoqing Jiang
2023-11-13 11:57 ` Guoqing Jiang [this message]
2023-11-13 11:57 ` [PATCH V5 12/17] RDMA/siw: Cleanup siw_accept Guoqing Jiang
2023-11-13 11:57 ` [PATCH V5 13/17] RDMA/siw: Remove siw_sk_save_upcalls Guoqing Jiang
2023-11-13 11:57 ` [PATCH V5 14/17] RDMA/siw: Fix typo Guoqing Jiang
2023-11-13 11:57 ` [PATCH V5 15/17] RDMA/siw: Only check attrs->cap.max_send_wr in siw_create_qp Guoqing Jiang
2023-11-13 11:57 ` [PATCH V5 16/17] RDMA/siw: Introduce siw_destroy_cep_sock Guoqing Jiang
2023-11-13 11:57 ` [PATCH V5 17/17] RDMA/siw: Update comments for siw_qp_sq_process Guoqing Jiang
2023-11-15 13:58 ` [PATCH V5 00/17] Cleanup for siw Leon Romanovsky

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