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| author | Steve French <stfrench@microsoft.com> | 2021-11-11 16:10:00 -0600 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2021-11-12 10:21:51 -0600 |
| commit | 6b7895182ce398fa474af8cfc051754e6539c6b1 (patch) | |
| tree | b14e19724eb18a71fef885e19018fc96196cc5e0 /fs | |
| parent | 4d9beec22f731655f1a41f91cd747a29892533e5 (diff) | |
| download | linux-rpi-6b7895182ce398fa474af8cfc051754e6539c6b1.tar.gz linux-rpi-6b7895182ce398fa474af8cfc051754e6539c6b1.tar.bz2 linux-rpi-6b7895182ce398fa474af8cfc051754e6539c6b1.zip | |
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) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cifs/smb2pdu.c | 4 |
1 files changed, 3 insertions, 1 deletions
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, |