diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index 62dcf632586139442b6375796632044b57435458..a9b6bc5157b8969e542b87c3ad8c71063f4aa53c 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -6,7 +6,9 @@ handle DNS host to ipv6 name translation).  Accept override of uid or gid
 on mount even when Unix Extensions are negotiated (it used to be ignored
 when Unix Extensions were ignored).  This allows users to override the
 default uid and gid for files when they are certain that the uids or
-gids on the server do not match those of the client.
+gids on the server do not match those of the client.  Make "sec=none"
+mount override username (so that null user connection is attempted)
+to match what documentation said.
 
 Version 1.48
 ------------
diff --git a/fs/cifs/README b/fs/cifs/README
index 93fe3594274f44424d28bee72cf418f3cb87d0c6..80fcfb82eafd0d16dbff97bf9dc8ef374f2a73e0 100644
--- a/fs/cifs/README
+++ b/fs/cifs/README
@@ -472,7 +472,7 @@ including:
 	-V      print mount.cifs version
 	-?      display simple usage information
 
-With recent 2.6 kernel versions of modutils, the version of the cifs kernel
+With most 2.6 kernel versions of modutils, the version of the cifs kernel
 module can be displayed via modinfo.
 
 Misc /proc/fs/cifs Flags and Debug Info
@@ -521,8 +521,22 @@ SecurityFlags		Flags which control security negotiation and
 			must use plaintext passwords			0x20020
 			(reserved for future packet encryption)		0x00040
 
-cifsFYI			If set to one, additional debug information is
-			logged to the system error log. (default 0)
+cifsFYI			If set to non-zero value, additional debug information
+			will be logged to the system error log.  This field
+			contains three flags controlling different classes of
+			debugging entries.  The maximum value it can be set
+			to is 7 which enables all debugging points (default 0).
+			Some debugging statements are not compiled into the
+			cifs kernel unless CONFIG_CIFS_DEBUG2 is enabled in the
+			kernel configuration. cifsFYI may be set to one or
+			nore of the following flags (7 sets them all):
+
+			log cifs informational messages			0x01
+			log return codes from cifs entry points		0x02
+			log slow responses (ie which take longer than one second)
+			  CONFIG_CIFS_STATS2 must be enabled in .config	0x03
+				
+				
 traceSMB		If set to one, debug information is logged to the
 			system error log with the start of smb requests
 			and responses (default 0)
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index cf40e245fcf43ae9a98f6ef6f9dcecb2869ec011..216fb625843f4b29feb6011e8fe71a14f223a996 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1721,12 +1721,12 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
 		return -EINVAL;
 	}
 
-	if (volume_info.username) {
+	if (volume_info.nullauth) {
+		cFYI(1,("null user"));
+		volume_info.username = NULL;
+	} else if (volume_info.username) {
 		/* BB fixme parse for domain name here */
 		cFYI(1, ("Username: %s ", volume_info.username));
-
-	} else if (volume_info.nullauth) {
-		cFYI(1,("null user"));
 	} else {
 		cifserror("No username specified");
         /* In userspace mount helper we can get user name from alternate