From: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx>
[ Upstream commit 424774c9f3fa100ef7d9cfb9ee211e2ba1cd5119 ]
Per the comment of kobject_init_and_add, we need to free the memory
by call kobject_put.
Fixes: 215378b838df ("RDMA/rtrs: client: sysfs interface functions")
Fixes: 91b11610af8d ("RDMA/rtrs: server: sysfs interface functions")
Link: https://lore.kernel.org/r/20201217141915.56989-8-jinpu.wang@xxxxxxxxxxxxxxx
Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx>
Reviewed-by: Md Haris Iqbal <haris.iqbal@xxxxxxxxxxxxxxx>
Reviewed-by: Gioh Kim <gi-oh.kim@xxxxxxxxxxxxxxx>
Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c | 2 ++
drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c | 3 ++-
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c b/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c
index ac4c49cbf1538..2ee3806f2df5b 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c
@@ -408,6 +408,7 @@ int rtrs_clt_create_sess_files(struct rtrs_clt_sess *sess)
"%s", str);
if (err) {
pr_err("kobject_init_and_add: %d\n", err);
+ kobject_put(&sess->kobj);
return err;
}
err = sysfs_create_group(&sess->kobj, &rtrs_clt_sess_attr_group);
@@ -419,6 +420,7 @@ int rtrs_clt_create_sess_files(struct rtrs_clt_sess *sess)
&sess->kobj, "stats");
if (err) {
pr_err("kobject_init_and_add: %d\n", err);
+ kobject_put(&sess->stats->kobj_stats);
goto remove_group;
}
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c b/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
index 3c5dfe21bba68..6a320b9b480dd 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
@@ -239,6 +239,7 @@ static int rtrs_srv_create_stats_files(struct rtrs_srv_sess *sess)
&sess->kobj, "stats");
if (err) {
rtrs_err(s, "kobject_init_and_add(): %d\n", err);
+ kobject_put(&sess->stats->kobj_stats);
return err;
}
err = sysfs_create_group(&sess->stats->kobj_stats,
@@ -295,8 +296,8 @@ remove_group:
sysfs_remove_group(&sess->kobj, &rtrs_srv_sess_attr_group);
put_kobj:
kobject_del(&sess->kobj);
- kobject_put(&sess->kobj);
destroy_root:
+ kobject_put(&sess->kobj);
rtrs_srv_destroy_once_sysfs_root_folders(sess);
return err;
--
2.27.0
