From b683183d179eeb2a4d87b90318e688b4a24eb946 Mon Sep 17 00:00:00 2001 From: David Howells Date: Wed, 25 Jan 2023 14:02:13 +0000 Subject: [PATCH] cifs: Fix oops due to uncleared server->smbd_conn in reconnect commit 4c718208635dcebc70d7e8c66519029b3eb064ab upstream. In smbd_destroy(), clear the server->smbd_conn pointer after freeing the smbd_connection struct that it points to so that reconnection doesn't get confused. Fixes: 97947ba82502 ("CIFS: SMBD: Implement function to destroy a SMB Direct connection") Cc: stable@vger.kernel.org Reviewed-by: Paulo Alcantara (SUSE) Acked-by: Tom Talpey Signed-off-by: David Howells Cc: Long Li Cc: Pavel Shilovsky Cc: Ronnie Sahlberg Signed-off-by: Steve French Signed-off-by: Greg Kroah-Hartman --- fs/cifs/smbdirect.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c index 90789aaa6567e..8c816b25ce7c6 100644 --- a/fs/cifs/smbdirect.c +++ b/fs/cifs/smbdirect.c @@ -1405,6 +1405,7 @@ void smbd_destroy(struct TCP_Server_Info *server) destroy_workqueue(info->workqueue); log_rdma_event(INFO, "rdma session destroyed\n"); kfree(info); + server->smbd_conn = NULL; } /* -- 2.39.5