cifs: use CIFS_MAX_DOMAINNAME_LEN when converting the domain name

commit 202d772ba02b1deb8835a631cd8255943d1906a0 upstream.

Currently in build_ntlmssp_auth_blob(), when converting the domain
name to UTF16, CIFS_MAX_USERNAME_LEN limit is used. It should be
CIFS_MAX_DOMAINNAME_LEN. This patch fixes this.

Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 29de79ab3a6e5df04afd2f10c438ebe611f55949..467fb62468826c47b788f9fae8d5e22778b77f2b 100644 (file)
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -429,7 +429,7 @@ int build_ntlmssp_auth_blob(unsigned char *pbuffer,
        } else {
                int len;
                len = cifs_strtoUTF16((__le16 *)tmp, ses->domainName,
-                                     CIFS_MAX_USERNAME_LEN, nls_cp);
+                                     CIFS_MAX_DOMAINNAME_LEN, nls_cp);
                len *= 2; /* unicode is 2 bytes each */
                sec_blob->DomainName.BufferOffset = cpu_to_le32(tmp - pbuffer);
                sec_blob->DomainName.Length = cpu_to_le16(len);