Re: [PATCH 2/2] fat: Fix bug in enforcing Long File Name length.

[OGAWA Hirofumi]

OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx> writes:

> Namjae Jeon <linkinjeon@xxxxxxxxx> writes:
>
>>  Since '*outlen' is initialized to zero,it is currently possible to
>> create a f ilename of length (FAT_LFN_LEN +1) when utf8 is not
>> enabled.To enforce the FA T_LFN_LEN limit, we must perform one less
>> iteration.
>
> Acked-by: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>

Please forward this too.

>> Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxx>
>> Signed-off-by: Ravishankar N <cyberax82@xxxxxxxxx>
>> ---
>>  fs/fat/namei_vfat.c |    2 +-
>>  1 files changed, 1 insertions(+), 1 deletions(-)
>>
>> diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
>> index aae3b4e..98ae804 100644
>> --- a/fs/fat/namei_vfat.c
>> +++ b/fs/fat/namei_vfat.c
>> @@ -522,7 +522,7 @@ xlate_to_uni(const unsigned char *name, int len, unsigned char *outname,
>>  		op = &outname[*outlen * sizeof(wchar_t)];
>>  	} else {
>>  		for (i = 0, ip = name, op = outname, *outlen = 0;
>> -			 i < len && *outlen <= FAT_LFN_LEN;
>> +			 i < len && *outlen < FAT_LFN_LEN;
>>  			 *outlen += 1) {
>>  			if (escape && (*ip == ':')) {
>>  				if (i > len - 5)

-- 
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/