From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值

---
 kernel/drivers/infiniband/ulp/srpt/ib_srpt.c |   23 +++++++++++++----------
 1 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/kernel/drivers/infiniband/ulp/srpt/ib_srpt.c b/kernel/drivers/infiniband/ulp/srpt/ib_srpt.c
index c0ed08f..983f59c 100644
--- a/kernel/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/kernel/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -549,6 +549,7 @@
  */
 static int srpt_refresh_port(struct srpt_port *sport)
 {
+	struct ib_mad_agent *mad_agent;
 	struct ib_mad_reg_req reg_req;
 	struct ib_port_modify port_modify;
 	struct ib_port_attr port_attr;
@@ -593,24 +594,26 @@
 		set_bit(IB_MGMT_METHOD_GET, reg_req.method_mask);
 		set_bit(IB_MGMT_METHOD_SET, reg_req.method_mask);
 
-		sport->mad_agent = ib_register_mad_agent(sport->sdev->device,
-							 sport->port,
-							 IB_QPT_GSI,
-							 &reg_req, 0,
-							 srpt_mad_send_handler,
-							 srpt_mad_recv_handler,
-							 sport, 0);
-		if (IS_ERR(sport->mad_agent)) {
+		mad_agent = ib_register_mad_agent(sport->sdev->device,
+						  sport->port,
+						  IB_QPT_GSI,
+						  &reg_req, 0,
+						  srpt_mad_send_handler,
+						  srpt_mad_recv_handler,
+						  sport, 0);
+		if (IS_ERR(mad_agent)) {
 			pr_err("%s-%d: MAD agent registration failed (%ld). Note: this is expected if SR-IOV is enabled.\n",
 			       dev_name(&sport->sdev->device->dev), sport->port,
-			       PTR_ERR(sport->mad_agent));
+			       PTR_ERR(mad_agent));
 			sport->mad_agent = NULL;
 			memset(&port_modify, 0, sizeof(port_modify));
 			port_modify.clr_port_cap_mask = IB_PORT_DEVICE_MGMT_SUP;
 			ib_modify_port(sport->sdev->device, sport->port, 0,
 				       &port_modify);
-
+			return 0;
 		}
+
+		sport->mad_agent = mad_agent;
 	}
 
 	return 0;

--
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