[PATCH -next] RDMA/rtrs: server: fix some error return code

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Fix to return negative error code -ENOMEM from the some error handling
cases instead of 0, as done elsewhere in this function.

Fixes: 9cb837480424 ("RDMA/rtrs: server: main functionality")
Fixes: 91b11610af8d ("RDMA/rtrs: server: sysfs interface functions")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
 drivers/infiniband/ulp/rtrs/rtrs-srv.c | 8 +++++---
 drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c | 1 +
 2 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index ba8ab33b94a2..526433580b96 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -660,8 +660,8 @@ static int map_cont_bufs(struct rtrs_srv_sess *sess)
 					GFP_KERNEL, sess->s.dev->ib_dev,
 					DMA_TO_DEVICE, rtrs_srv_rdma_done);
 			if (!srv_mr->iu) {
-				rtrs_err(ss, "rtrs_iu_alloc(), err: %d\n",
-					  -ENOMEM);
+				err = -ENOMEM;
+				rtrs_err(ss, "rtrs_iu_alloc(), err: %d\n", err);
 				goto free_iu;
 			}
 		}
@@ -2150,8 +2150,10 @@ static int __init rtrs_server_init(void)
 		goto out_chunk_pool;
 	}
 	rtrs_wq = alloc_workqueue("rtrs_server_wq", WQ_MEM_RECLAIM, 0);
-	if (!rtrs_wq)
+	if (!rtrs_wq) {
+		err = -ENOMEM;
 		goto out_dev_class;
+	}
 
 	return 0;

diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c b/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
index 0cf015634338..3d7877534bcc 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
@@ -189,6 +189,7 @@ static int rtrs_srv_create_once_sysfs_root_folders(struct rtrs_srv_sess *sess)
 	}
 	srv->kobj_paths = kobject_create_and_add("paths", &srv->dev.kobj);
 	if (!srv->kobj_paths) {
+		err = -ENOMEM;
 		pr_err("kobject_create_and_add(): %d\n", err);
 		device_unregister(&srv->dev);
 		goto unlock;






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