linux-kernel - Re: [PATCH v15 19/56] media: dvb-core: Do not initialize twice queue num

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Date:   Fri, 10 Nov 2023 10:25:31 +0100
From:   Andrzej Pietrasiewicz <andrzej.p@...labora.com>
To:     Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        mchehab@...nel.org, tfiga@...omium.org, m.szyprowski@...sung.com,
        ming.qian@....com, ezequiel@...guardiasur.com.ar,
        p.zabel@...gutronix.de, gregkh@...uxfoundation.org,
        hverkuil-cisco@...all.nl, nicolas.dufresne@...labora.com
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
        linux-rockchip@...ts.infradead.org, linux-staging@...ts.linux.dev,
        kernel@...labora.com
Subject: Re: [PATCH v15 19/56] media: dvb-core: Do not initialize twice queue
 num_buffer field

W dniu 9.11.2023 o 17:34, Benjamin Gaignard pisze:
> The above memset already zeroed all the ctx fields, it is useless
> to do it here again.
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>

Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@...labora.com>

> ---
>   drivers/media/dvb-core/dvb_vb2.c | 3 ---
>   1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/media/dvb-core/dvb_vb2.c b/drivers/media/dvb-core/dvb_vb2.c
> index 3a966fdf814c..167ff82a6fed 100644
> --- a/drivers/media/dvb-core/dvb_vb2.c
> +++ b/drivers/media/dvb-core/dvb_vb2.c
> @@ -167,8 +167,6 @@ int dvb_vb2_init(struct dvb_vb2_ctx *ctx, const char *name, int nonblocking)
>   
>   	memset(ctx, 0, sizeof(struct dvb_vb2_ctx));
>   	q->type = DVB_BUF_TYPE_CAPTURE;
> -	/**capture type*/
> -	q->is_output = 0;
>   	/**only mmap is supported currently*/
>   	q->io_modes = VB2_MMAP;
>   	q->drv_priv = ctx;
> @@ -177,7 +175,6 @@ int dvb_vb2_init(struct dvb_vb2_ctx *ctx, const char *name, int nonblocking)
>   	q->ops = &dvb_vb2_qops;
>   	q->mem_ops = &vb2_vmalloc_memops;
>   	q->buf_ops = &dvb_vb2_buf_ops;
> -	q->num_buffers = 0;
>   	ret = vb2_core_queue_init(q);
>   	if (ret) {
>   		ctx->state = DVB_VB2_STATE_NONE;