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List:       linux-s390
Subject:    Re: [PATCH 06/14] s390/qeth: use atomic_dec_not_zero()
From:       Ursula Braun <ubraun () linux ! vnet ! ibm ! com>
Date:       2017-01-31 11:28:34
Message-ID: 5faaa712-63d3-7462-ad58-39a22ead8e0a () linux ! vnet ! ibm ! com
[Download RAW message or body]

ACK - compile-tested successfully on s390.

On 01/30/2017 07:47 PM, Fabian Frederick wrote:
> instead of atomic_add_unless(value, -1, 0)
> 
> Signed-off-by: Fabian Frederick <fabf@skynet.be>
> ---
>  drivers/s390/net/qeth_core_main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
> index 315d8a2..9595b90 100644
> --- a/drivers/s390/net/qeth_core_main.c
> +++ b/drivers/s390/net/qeth_core_main.c
> @@ -3278,7 +3278,7 @@ void qeth_queue_input_buffer(struct qeth_card *card, int index)
>  			atomic_set(&card->force_alloc_skb, 3);
>  			count = newcount;
>  		} else {
> -			atomic_add_unless(&card->force_alloc_skb, -1, 0);
> +			atomic_dec_not_zero(&card->force_alloc_skb);
>  		}
> 
>  		if (!count) {
> 

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