When utf8_wcstombs encounters a character that cannot be encoded, we
must not decrease the remaining output buffer size because nothing has
been written to the output buffer.
Signed-off-by: Clemens Ladisch <clemens@xxxxxxxxxx>
--- linux-2.6.orig/fs/nls/nls_base.c
+++ linux-2.6/fs/nls/nls_base.c
@@ -144,7 +144,6 @@ utf8_wcstombs(__u8 *s, const wchar_t *pw
size = utf8_wctomb(op, *ip, maxlen);
if (size == -1) {
/* Ignore character and move on */
- maxlen--;
} else {
op += size;
maxlen -= size;
--
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