diff options
| author | Namjae Jeon <[email protected]> | 2021-03-30 12:38:03 +0900 |
|---|---|---|
| committer | Steve French <[email protected]> | 2021-05-10 19:15:27 -0500 |
| commit | 69f447be15130b57cc00fa0a5c2d3fa949a46165 (patch) | |
| tree | cc95d8ea119d803c3ca9cf91a97eabc2b0524431 | |
| parent | e5066499079de0e1dac094baf4cb62eb86cbdd4f (diff) | |
cifsd: fix wrong use of rw semaphore in __session_create()
Adding list to session table should be protected by
down_write/up_write().
Signed-off-by: Namjae Jeon <[email protected]>
Signed-off-by: Steve French <[email protected]>
| -rw-r--r-- | fs/cifsd/mgmt/user_session.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/cifsd/mgmt/user_session.c b/fs/cifsd/mgmt/user_session.c index afcdf76a3851..1b71a20dacdb 100644 --- a/fs/cifsd/mgmt/user_session.c +++ b/fs/cifsd/mgmt/user_session.c @@ -298,9 +298,9 @@ static struct ksmbd_session *__session_create(int protocol) goto error; if (protocol == CIFDS_SESSION_FLAG_SMB2) { - down_read(&sessions_table_lock); + down_write(&sessions_table_lock); hash_add(sessions_table, &sess->hlist, sess->id); - up_read(&sessions_table_lock); + up_write(&sessions_table_lock); } return sess; |