From 446e21482e8c10b96d540862c5f6a37009436f00 Mon Sep 17 00:00:00 2001 From: Steve French Date: Mon, 15 Nov 2021 18:02:27 -0600 Subject: cifs: protect srv_count with cifs_tcp_ses_lock Updates to the srv_count field are protected elsewhere with the cifs_tcp_ses_lock spinlock. Add one missing place (cifs_get_tcp_sesion). CC: Shyam Prasad N Addresses-Coverity: 1494149 ("Data Race Condition") Reviewed-by: Paulo Alcantara (SUSE) Signed-off-by: Steve French --- fs/cifs/connect.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'fs/cifs/connect.c') diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 82577a7a5bb1..b98711b62897 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1452,8 +1452,10 @@ cifs_get_tcp_session(struct smb3_fs_context *ctx, tcp_ses->max_in_flight = 0; tcp_ses->credits = 1; if (primary_server) { + spin_lock(&cifs_tcp_ses_lock); ++primary_server->srv_count; tcp_ses->primary_server = primary_server; + spin_unlock(&cifs_tcp_ses_lock); } init_waitqueue_head(&tcp_ses->response_q); init_waitqueue_head(&tcp_ses->request_q); -- cgit v1.2.3