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| author | Gioh Kim <gi-oh.kim@cloud.ionos.com> | 2021-05-28 13:30:18 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-05-28 20:52:59 -0300 |
| commit | 7ecd7e290bee0ab9cf75b79a367a4cc113cf8292 (patch) | |
| tree | e02662697227ba77201259a3735d17455b6d3c2f /drivers/infiniband/ulp | |
| parent | 5b73b799c25c68a4703cd6c5ac4518006d9865b8 (diff) | |
| download | linux-7ecd7e290bee0ab9cf75b79a367a4cc113cf8292.tar.bz2 | |
RDMA/rtrs-clt: Fix memory leak of not-freed sess->stats and stats->pcpu_stats
sess->stats and sess->stats->pcpu_stats objects are freed
when sysfs entry is removed. If something wrong happens and
session is closed before sysfs entry is created,
sess->stats and sess->stats->pcpu_stats objects are not freed.
This patch adds freeing of them at three places:
1. When client uses wrong address and session creation fails.
2. When client fails to create a sysfs entry.
3. When client adds wrong address via sysfs add_path.
Fixes: 215378b838df0 ("RDMA/rtrs: client: sysfs interface functions")
Link: https://lore.kernel.org/r/20210528113018.52290-21-jinpu.wang@ionos.com
Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/ulp')
| -rw-r--r-- | drivers/infiniband/ulp/rtrs/rtrs-clt.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c index e4a23c40d4c7..8e05a71d8da1 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c @@ -2765,6 +2765,8 @@ struct rtrs_clt *rtrs_clt_open(struct rtrs_clt_ops *ops, if (err) { list_del_rcu(&sess->s.entry); rtrs_clt_close_conns(sess, true); + free_percpu(sess->stats->pcpu_stats); + kfree(sess->stats); free_sess(sess); goto close_all_sess; } @@ -2773,6 +2775,8 @@ struct rtrs_clt *rtrs_clt_open(struct rtrs_clt_ops *ops, if (err) { list_del_rcu(&sess->s.entry); rtrs_clt_close_conns(sess, true); + free_percpu(sess->stats->pcpu_stats); + kfree(sess->stats); free_sess(sess); goto close_all_sess; } @@ -3048,6 +3052,8 @@ int rtrs_clt_create_path_from_sysfs(struct rtrs_clt *clt, close_sess: rtrs_clt_remove_path_from_arr(sess); rtrs_clt_close_conns(sess, true); + free_percpu(sess->stats->pcpu_stats); + kfree(sess->stats); free_sess(sess); return err; |