diff options
| author | Jeff Layton <jlayton@redhat.com> | 2013-05-24 11:41:01 (GMT) |
|---|---|---|
| committer | Steve French <smfrench@gmail.com> | 2013-06-24 06:56:40 (GMT) |
| commit | 3534b8508e4b21eec0b7b839f7234a9b6fe27d03 (patch) | |
| tree | abca5bc7bb74168ffb6a8a9ff09cd99a3217f639 /fs/cifs/cifssmb.c | |
| parent | 7d066459697610f6e755a7cfe199c3c6b142fb85 (diff) | |
| download | linux-3534b8508e4b21eec0b7b839f7234a9b6fe27d03.tar.xz | |
cifs: throw a warning if negotiate or sess_setup ops are passed NULL server or session pointers
These look pretty cargo-culty to me, but let's be certain. Leave
them in place for now. Pop a WARN if it ever does happen. Also,
move to a more standard idiom for setting the "server" pointer.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/cifssmb.c')
| -rw-r--r-- | fs/cifs/cifssmb.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index a58dc77..c1c2006 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -375,16 +375,15 @@ CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses) int rc = 0; int bytes_returned; int i; - struct TCP_Server_Info *server; + struct TCP_Server_Info *server = ses->server; u16 count; unsigned int secFlags; - if (ses->server) - server = ses->server; - else { - rc = -EIO; - return rc; + if (!server) { + WARN(1, "%s: server is NULL!\n", __func__); + return -EIO; } + rc = smb_init(SMB_COM_NEGOTIATE, 0, NULL /* no tcon yet */ , (void **) &pSMB, (void **) &pSMBr); if (rc) |