On 09/03/2014 12:37 AM, OGAWA Hirofumi wrote:
> Seunghun Lee <waydi1@xxxxxxxxx> writes:
>
>> diff --git a/fs/fat/inode.c b/fs/fat/inode.c
>> index 756aead..6992dea 100644
>> --- a/fs/fat/inode.c
>> +++ b/fs/fat/inode.c
>> @@ -1307,12 +1307,9 @@ static unsigned long calc_fat_clusters(struct super_block *sb)
>> struct msdos_sb_info *sbi = MSDOS_SB(sb);
>>
>> /* Divide first to avoid overflow */
>> - if (sbi->fat_bits != 12) {
>> - unsigned long ent_per_sec = sb->s_blocksize * 8 / sbi->fat_bits;
>> - return ent_per_sec * sbi->fat_length;
>> - }
>> + unsigned long ent_per_sec = sb->s_blocksize * 8 / sbi->fat_bits;
>>
>> - return sbi->fat_length * sb->s_blocksize * 8 / sbi->fat_bits;
>> + return ent_per_sec * sbi->fat_length;
>> }
> When sbi->fat_bits == 12, it doesn't work, right? (there is the remainder)
>
> Thanks.
Yes, you are right.
I didn't think about the remainder.
Thanks.
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