Re: [PATCH 2/2] s390: Fix possibly wrong size in strncmp (smsglucv)

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Ack - thanks, Stefan.

We have added your smsgiucv patch to our local repository. It will be
part of our next patch collection submitted to Dave Miller for upstream
integration.

Regards, Ursula

On Sat, 2011-01-29 at 22:33 +0100, Stefan Weil wrote:
> This error was reported by cppcheck:
> drivers/s390/net/smsgiucv.c:63: error: Using sizeof for array given as function argument returns the size of pointer.
> 
> Although there is no runtime problem as long as sizeof(u8 *) == 8,
> this misleading code should get fixed.
> 
> Cc: Ursula Braun <ursula.braun@xxxxxxxxxx>
> Cc: linux390@xxxxxxxxxx
> Cc: Frank Blaschka <blaschka@xxxxxxxxxxxxxxxxxx>
> Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
> Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
> Cc: linux-s390@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Stefan Weil <weil@xxxxxxxxxxxxxxx>
> ---
>  drivers/s390/net/smsgiucv.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c
> index 65e1cf1..207b7d7 100644
> --- a/drivers/s390/net/smsgiucv.c
> +++ b/drivers/s390/net/smsgiucv.c
> @@ -60,7 +60,7 @@ static struct iucv_handler smsg_handler = {
>  static int smsg_path_pending(struct iucv_path *path, u8 ipvmid[8],
>  			     u8 ipuser[16])
>  {
> -	if (strncmp(ipvmid, "*MSG    ", sizeof(ipvmid)) != 0)
> +	if (strncmp(ipvmid, "*MSG    ", 8) != 0)
>  		return -EINVAL;
>  	/* Path pending from *MSG. */
>  	return iucv_path_accept(path, &smsg_handler, "SMSGIUCV        ", NULL);


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