[U-Boot] [PATCH] fs/fat/fat.c: fix warning: 'part_size' defined but not used

[Donggeun Kim <dg77.kim@samsung.com>]

On 2011? 12? 13? 15:15, Aaron Williams wrote:
> On Thursday, October 27, 2011 02:10:58 PM Wolfgang Denk wrote:
>> Commit c30a15e "FAT: Add FAT write feature" introduced a compiler
>> warning.  Fix this.
>>
>> Signed-off-by: Wolfgang Denk <wd@denx.de>
>> Cc: Donggeun Kim <dg77.kim@samsung.com>
>> Cc: Kyungmin Park <kyungmin.park@samsung.com>
>> ---
>>
>>  fs/fat/fat.c |    2 --
>>  1 files changed, 0 insertions(+), 2 deletions(-)
>>
>> diff --git a/fs/fat/fat.c b/fs/fat/fat.c
>> index 7cf173c..756ac64 100644
>> --- a/fs/fat/fat.c
>> +++ b/fs/fat/fat.c
>> @@ -46,7 +46,6 @@ static void downcase (char *str)
>>  static block_dev_desc_t *cur_dev = NULL;
>>
>>  static unsigned long part_offset = 0;
>> -static unsigned long part_size;
>>
>>  static int cur_part = 1;
>>
>> @@ -100,7 +99,6 @@ int fat_register_device (block_dev_desc_t * dev_desc,
>> int part_no) if (!get_partition_info(dev_desc, part_no, &info)) {
>>  		part_offset = info.start;
>>  		cur_part = part_no;
>> -		part_size = info.size;
>>  	} else if ((strncmp((char *)&buffer[DOS_FS_TYPE_OFFSET], "FAT", 3) == 0)
>> || (strncmp((char *)&buffer[DOS_FS32_TYPE_OFFSET], "FAT32", 5) == 0)) { /*
>> ok, we assume we are on a PBR only */
> 
> Hi Wolfgang,
> 
> I  know it's rather late to comment on this, but this patch breaks FAT write 
> support.
> 
> -Aaron
> 
> 
Hi, Wolfgang,

I've overlooked the patch before.
If 'part_size' variable is not set in fat_register_device function, FAT
write feature would not work properly.
So, I will send a patch to define the variable only when FAT_WRITE is
enabled. It can avoid compile warning.

Thanks.
-Donggeun