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author | Jeff Layton <jlayton@redhat.com> | 2013-05-24 13:41:01 +0200 |
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committer | Steve French <smfrench@gmail.com> | 2013-06-24 08:56:40 +0200 |
commit | 3534b8508e4b21eec0b7b839f7234a9b6fe27d03 (patch) | |
tree | abca5bc7bb74168ffb6a8a9ff09cd99a3217f639 /fs/cifs/sess.c | |
parent | cifs: make decode_ascii_ssetup void return (diff) | |
download | linux-3534b8508e4b21eec0b7b839f7234a9b6fe27d03.tar.xz linux-3534b8508e4b21eec0b7b839f7234a9b6fe27d03.zip |
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/sess.c')
-rw-r--r-- | fs/cifs/sess.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 838e2240fc55..e8c5dc9f3386 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -576,8 +576,10 @@ CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses, u16 blob_len; char *ntlmsspblob = NULL; - if (ses == NULL) + if (ses == NULL) { + WARN(1, "%s: ses == NULL!", __func__); return -EINVAL; + } type = ses->server->secType; cifs_dbg(FYI, "sess setup type %d\n", type); |