linux-kernel - [PATCH 1/3] RDMA/core: Convert to use ERR

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Message-ID: <20250401210840146_IyrV3zlejzz3eAnDmMSB@zte.com.cn>
Date: Tue, 1 Apr 2025 21:08:40 +0800 (CST)
From: <shao.mingyin@....com.cn>
To: <jgg@...pe.ca>
Cc: <leon@...nel.org>, <li.haoran7@....com.cn>, <linux-rdma@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <viro@...iv.linux.org.uk>,
        <brauner@...nel.org>, <agoldberger@...dia.com>, <cmeiohas@...dia.com>,
        <msanalla@...dia.com>, <dan.carpenter@...aro.org>,
        <mrgolin@...zon.com>, <phaddad@...dia.com>, <ynachum@...zon.com>,
        <mgurtovoy@...dia.com>, <yang.yang29@....com.cn>,
        <xu.xin16@....com.cn>, <ye.xingchen@....com.cn>
Subject: [PATCH 1/3] RDMA/core: Convert to use ERR_CAST()

From: Li Haoran <li.haoran7@....com.cn>

As opposed to open-code, using the ERR_CAST macro clearly indicates that
this is a pointer to an error value and a type conversion was performed.

Signed-off-by: Li Haoran <li.haoran7@....com.cn>
Signed-off-by: Shao Mingyin <shao.mingyin@....com.cn>
---
 drivers/infiniband/core/mad_rmpp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/core/mad_rmpp.c b/drivers/infiniband/core/mad_rmpp.c
index 8af0619a39cd..b4b10e8a6495 100644
--- a/drivers/infiniband/core/mad_rmpp.c
+++ b/drivers/infiniband/core/mad_rmpp.c
@@ -158,7 +158,7 @@ static struct ib_mad_send_buf *alloc_response_msg(struct ib_mad_agent *agent,
 	ah = ib_create_ah_from_wc(agent->qp->pd, recv_wc->wc,
 				  recv_wc->recv_buf.grh, agent->port_num);
 	if (IS_ERR(ah))
-		return (void *) ah;
+		return ERR_CAST(ah);

 	hdr_len = ib_get_mad_data_offset(recv_wc->recv_buf.mad->mad_hdr.mgmt_class);
 	msg = ib_create_send_mad(agent, recv_wc->wc->src_qp,
-- 
2.25.1