nls: utf8_wcstombs: use correct buffer size in error case

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 <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
wafgo · Jun 16, 2009 · e27ecdd · e27ecdd
1 parent 97d7b7a
commit e27ecdd
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/fs/nls/nls_base.c b/fs/nls/nls_base.c
@@ -144,7 +144,6 @@ utf8_wcstombs(__u8 *s, const wchar_t *pwcs, int maxlen)
 			size = utf8_wctomb(op, *ip, maxlen);
 			if (size == -1) {
 				/* Ignore character and move on */
-				maxlen--;
 			} else {
 				op += size;
 				maxlen -= size;