[CIFS] Fix path name conversion for long filenames when mapchars mount

option was specified at mount time.

Signed-off-by: Steve French (sfrench@us.ibm.com)

fs/cifs/CHANGES

+Version 1.35
+------------
+Add writepage performance improvements.  Fix path name conversions
+for long filenames on mounts which were done with "mapchars" mount option
+specified.
+
 Version 1.34
 ------------
 Fix error mapping of the TOO_MANY_LINKS (hardlinks) case.

fs/cifs/misc.c

@@ -611,6 +611,7 @@ cifsConvertToUCS(__le16 * target, const char *source, int maxlen,
 		src_char = source[i];
 		switch (src_char) {
 			case 0:
+				target[j] = 0;
 				goto ctoUCS_out;
 			case ':':
 				target[j] = cpu_to_le16(UNI_COLON);