linux-kernel - [PATCH] net/rds: Use PTR_ERR instead of IS

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Date:   Wed, 27 Jul 2022 23:03:41 +0800
From:   Li Qiong <liqiong@...china.com>
To:     Santosh Shilimkar <santosh.shilimkar@...cle.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
        rds-devel@....oracle.com, linux-kernel@...r.kernel.org,
        yuzhe@...china.com, renyu@...china.com, jiaming@...china.com,
        Li Qiong <liqiong@...china.com>
Subject: [PATCH] net/rds: Use PTR_ERR instead of IS_ERR for rdsdebug()

If 'local_odp_mr->r_trans_private' is a error code,
it is better to print the error code than to print
the value of IS_ERR().

Signed-off-by: Li Qiong <liqiong@...china.com>
---
 net/rds/rdma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 6f1a50d50d06..fba82d36593a 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -742,7 +742,7 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm,
 					NULL, 0, rs, &local_odp_mr->r_key, NULL,
 					iov->addr, iov->bytes, ODP_VIRTUAL);
 			if (IS_ERR(local_odp_mr->r_trans_private)) {
-				ret = IS_ERR(local_odp_mr->r_trans_private);
+				ret = PTR_ERR(local_odp_mr->r_trans_private);
 				rdsdebug("get_mr ret %d %p\"", ret,
 					 local_odp_mr->r_trans_private);
 				kfree(local_odp_mr);
-- 
2.11.0