Re: [RFC PATCH] hpsa: Change memset using sizeof(ptr) to sizeof(*ptr)

[scameron]

On Sun, May 08, 2011 at 11:32:40PM -0700, Joe Perches wrote:
> Not at all sure this is correct or appropriate to change,
> but this seems odd.
> 
> Found via coccinelle script

Ack.

-- steve

> 
> @@
> type T;
> T* ptr;
> expression E1;
> @@
> 
> * memset(E1, 0, sizeof(ptr));
> 
> Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
> ---
>  drivers/scsi/hpsa.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
> index 415ad4f..c8d97b4 100644
> --- a/drivers/scsi/hpsa.c
> +++ b/drivers/scsi/hpsa.c
> @@ -1308,7 +1308,7 @@ static void hpsa_scsi_do_simple_cmd_with_retry(struct ctlr_info *h,
>  	int retry_count = 0;
>  
>  	do {
> -		memset(c->err_info, 0, sizeof(c->err_info));
> +		memset(c->err_info, 0, sizeof(*c->err_info));
>  		hpsa_scsi_do_simple_cmd_core(h, c);
>  		retry_count++;
>  	} while (check_for_unit_attention(h, c) && retry_count <= 3);
> 
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