diff --git a/fs/smb/client/smb2transport.c b/fs/smb/client/smb2transport.c
index e8eeff9e50d6..1143ee52470a 100644
--- a/fs/smb/client/smb2transport.c
+++ b/fs/smb/client/smb2transport.c
@@ -169,7 +169,9 @@ smb2_find_smb_sess_tcon_unlocked(struct cifs_ses *ses, __u32  tid)
 	list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
 		if (tcon->tid != tid)
 			continue;
+		spin_lock(&tcon->tc_lock);
 		++tcon->tc_count;
+		spin_unlock(&tcon->tc_lock);
 		trace_smb3_tcon_ref(tcon->debug_id, tcon->tc_count,
 				    netfs_trace_tcon_ref_get_find_sess_tcon);
 		return tcon;