Re: [PATCH] xfs: remove redundant initialization of variable error

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Hi Carlos,

On 2021/6/7 21:13, Carlos Maiolino wrote:
> Hi,
> 
> On Sat, Jun 05, 2021 at 04:52:50PM +0800, Shaokun Zhang wrote:
>> 'error' will be initialized, so clean up the redundant initialization.
>>
>> Cc: "Darrick J. Wong" <djwong@xxxxxxxxxx>
>> Signed-off-by: Shaokun Zhang <zhangshaokun@xxxxxxxxxxxxx>
> 
> 
> This makes no difference in the resulting code.
> Particularly, I'd rather have such variables explicitly initialized. This
> function is small, so it's easy to see its initialization later in the code, but
> still, IMHO, it's way better to see the 'default error values' explicit at the
> beginning of the function. But, it's just my 'visual' preference :)

Thanks your reply, as you also said that it would be assigned later, the
initialization is unnecessary. I'm fine that Darrick will take it or not.

Cheers,
Shaokun

> 
> 
>> ---
>>  fs/xfs/xfs_buf.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
>> index 592800c8852f..59991c8c7127 100644
>> --- a/fs/xfs/xfs_buf.c
>> +++ b/fs/xfs/xfs_buf.c
>> @@ -707,7 +707,7 @@ xfs_buf_get_map(
>>  {
>>  	struct xfs_buf		*bp;
>>  	struct xfs_buf		*new_bp;
>> -	int			error = 0;
>> +	int			error;
>>  
>>  	*bpp = NULL;
>>  	error = xfs_buf_find(target, map, nmaps, flags, NULL, &bp);
>> -- 
>> 2.7.4
>>
> 



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