check_pattern
if (!check_pattern(buf, scanlen, mtd->writesize, td)) {
goto check_pattern;
check_pattern:
ASSERT_TRUE(check_pattern(ptr, 10, page_size));
if (!check_pattern(ptr, 10, page_size))
ASSERT_TRUE(check_pattern(ptr_shared, 10, page_size));
ASSERT_TRUE(check_pattern(ptr_private, 10, page_size));
ASSERT_TRUE(check_pattern(ptr, 10, page_size));
ASSERT_TRUE(check_pattern(ptr, 3, page_size));
ASSERT_TRUE(check_pattern(ptr, 10, page_size));
ASSERT_TRUE(check_pattern(ptr, 10, page_size));