Commit 69f447be authored by Namjae Jeon's avatar Namjae Jeon Committed by Steve French
Browse files

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: default avatarNamjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent e5066499

fs/cifsd/mgmt/user_session.c

+2 −2
Original line number Diff line number Diff line
@@ -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;