smb: client: add proper locking around ses->iface_last_update

There is a missing ses->iface_lock in cifs_setup_session,
around ses->iface_last_update.

Signed-off-by: Henrique Carvalho <henrique.carvalho@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c
index ce620503e9f7023fa53eb732fc6007b641eb0f48..60c76375f0f50eaea49788465d93f389e7acf4d7 100644 (file)
--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -4270,7 +4270,9 @@ cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
                ses->ses_status = SES_IN_SETUP;
 
                /* force iface_list refresh */
+               spin_lock(&ses->iface_lock);
                ses->iface_last_update = 0;
+               spin_unlock(&ses->iface_lock);
        }
        spin_unlock(&ses->ses_lock);