From 6b7895182ce398fa474af8cfc051754e6539c6b1 Mon Sep 17 00:00:00 2001 From: Steve French Date: Thu, 11 Nov 2021 16:10:00 -0600 Subject: [PATCH] smb3: add additional null check in SMB2_open Although unlikely to be possible for rsp to be null here, the check is safer to add, and quiets a Coverity warning. Addresses-Coverity: 1418458 ("Explicit null dereferenced") Reviewed-by: Paulo Alcantara (SUSE) Signed-off-by: Steve French --- fs/cifs/smb2pdu.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 4dda26059aac..48679e0c8392 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -2941,7 +2941,9 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path, tcon->need_reconnect = true; } goto creat_exit; - } else + } else if (rsp == NULL) /* unlikely to happen, but safer to check */ + goto creat_exit; + else trace_smb3_open_done(xid, le64_to_cpu(rsp->PersistentFileId), tcon->tid, ses->Suid, oparms->create_options, -- 2.20.1