linux-kernel - [PATCH v7 38/49] media: usb: cx231xx: Stop direct calls to queue num

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230914133323.198857-39-benjamin.gaignard@collabora.com>
Date:   Thu, 14 Sep 2023 15:33:12 +0200
From:   Benjamin Gaignard <benjamin.gaignard@...labora.com>
To:     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,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>
Subject: [PATCH v7 38/49] media: usb: cx231xx: Stop direct calls to queue num_buffers field

Use vb2_get_num_buffers() to avoid using queue num_buffer field directly.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
---
 drivers/media/usb/cx231xx/cx231xx-417.c   | 5 +++--
 drivers/media/usb/cx231xx/cx231xx-video.c | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/media/usb/cx231xx/cx231xx-417.c b/drivers/media/usb/cx231xx/cx231xx-417.c
index c5e21785fafe..9ec0b7e355e2 100644
--- a/drivers/media/usb/cx231xx/cx231xx-417.c
+++ b/drivers/media/usb/cx231xx/cx231xx-417.c
@@ -1218,13 +1218,14 @@ static int queue_setup(struct vb2_queue *vq,
 		       unsigned int sizes[], struct device *alloc_devs[])
 {
 	struct cx231xx *dev = vb2_get_drv_priv(vq);
+	unsigned int q_num_bufs = vb2_get_num_buffers(vq);
 	unsigned int size = mpeglinesize * mpeglines;
 
 	dev->ts1.ts_packet_size  = mpeglinesize;
 	dev->ts1.ts_packet_count = mpeglines;
 
-	if (vq->num_buffers + *nbuffers < CX231XX_MIN_BUF)
-		*nbuffers = CX231XX_MIN_BUF - vq->num_buffers;
+	if (q_num_bufs + *nbuffers < CX231XX_MIN_BUF)
+		*nbuffers = CX231XX_MIN_BUF - q_num_bufs;
 
 	if (*nplanes)
 		return sizes[0] < size ? -EINVAL : 0;
diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c
index e23b8ccd79d4..c8eb4222319d 100644
--- a/drivers/media/usb/cx231xx/cx231xx-video.c
+++ b/drivers/media/usb/cx231xx/cx231xx-video.c
@@ -714,11 +714,12 @@ static int queue_setup(struct vb2_queue *vq,
 		       unsigned int sizes[], struct device *alloc_devs[])
 {
 	struct cx231xx *dev = vb2_get_drv_priv(vq);
+	unsigned int q_num_bufs = vb2_get_num_buffers(vq);
 
 	dev->size = (dev->width * dev->height * dev->format->depth + 7) >> 3;
 
-	if (vq->num_buffers + *nbuffers < CX231XX_MIN_BUF)
-		*nbuffers = CX231XX_MIN_BUF - vq->num_buffers;
+	if (q_num_bufs + *nbuffers < CX231XX_MIN_BUF)
+		*nbuffers = CX231XX_MIN_BUF - q_num_bufs;
 
 	if (*nplanes)
 		return sizes[0] < dev->size ? -EINVAL : 0;
-- 
2.39.2