Re: [PATCH 5/6] Werror: Remove the packed attribute fromPofTimStamp_tag in the hysdn driver

[Andrew Morton]

On Thu, 29 May 2008 19:17:46 +0100 David Howells <dhowells@xxxxxxxxxx> wrote:

> Remove the packed attribute from PofTimStamp_tag in the hysdn driver as the
> thing being packed is just an array of chars.

When fixing warnings and build errors, please do quote the compiler
output in the changelog.  Ditto sparse, etc.

> Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
> ---
> 
>  drivers/isdn/hysdn/hysdn_pof.h |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> 
> diff --git a/drivers/isdn/hysdn/hysdn_pof.h b/drivers/isdn/hysdn/hysdn_pof.h
> index a368d6c..3a72b90 100644
> --- a/drivers/isdn/hysdn/hysdn_pof.h
> +++ b/drivers/isdn/hysdn/hysdn_pof.h
> @@ -60,7 +60,7 @@ typedef struct PofRecHdr_tag {	/* Pof record header */
>  
>  typedef struct PofTimeStamp_tag {
>  /*00 */ unsigned long UnixTime __attribute__((packed));
> -	/*04 */ unsigned char DateTimeText[0x28] __attribute__((packed));
> +	/*04 */ unsigned char DateTimeText[0x28];
>  	/* =40 */
>  /*2C */
>  } tPofTimeStamp;

I was admiring this the other day.  The compiler (my one at least) says

drivers/isdn/hysdn/hysdn_pof.h:63: warning: 'packed' attribute ignored for field of type 'unsigned char[39u]'

39u != 0x28.  What's up with that?
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