From: Henrique Carvalho <henrique.carvalho@suse.com>
Date: Mon, 19 Jan 2026 17:54:45 +0000 (-0300)
Subject: smb: client: add proper locking around ses->iface_last_update
X-Git-Tag: ceph-for-7.0-rc4~329^2~65
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=e97dcac3dc0bd37e4b56aaa6874b572a3a461102;p=ceph-client.git

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 ce620503e9f7..60c76375f0f5 100644
--- 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);