[PATCH 53/65] media: stm32: dma2d: Access v4l2_fh from file
Jacopo Mondi <jacopo.mondi-ryLnwIuWjnjg/[email protected]> Sat, 02 Aug 2025 11:23:15 +0200
| Newsgroups | gmane.linux.ports.tegra,gmane.linux.drivers.video-input-infrastructure,gmane.linux.kernel,gmane.linux.documentation,gmane.linux.ports.arm.kernel,gmane.linux.ports.arm.mediatek,gmane.linux.kernel.renesas-soc,gmane.linux.ports.arm.msm,gmane.linux.kernel.samsung-soc,gmane.linux.usb.general,gmane.linux.ports.arm.rockchip,gmane.comp.video.mjpeg.user |
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| Message-ID | <[email protected]> |
The v4l2_fh associated with an open file handle is now guaranteed to be available in file->private_data, initialised by v4l2_fh_add(). Access the v4l2_fh, and from there the driver-specific structure, from the file * in all ioctl handlers. Signed-off-by: Jacopo Mondi <jacopo.mondi-ryLnwIuWjnjg/[email protected]> --- drivers/media/platform/st/stm32/dma2d/dma2d.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/st/stm32/dma2d/dma2d.c b/drivers/media/platform/st/stm32/dma2d/dma2d.c index bc0f81e78018b20c38677eaea44358ddad7a9a52..a22f587a5f83fe114e5b1f0a7a0299638701fa71 100644 --- a/drivers/media/platform/st/stm32/dma2d/dma2d.c +++ b/drivers/media/platform/st/stm32/dma2d/dma2d.c @@ -354,7 +354,7 @@ static int vidioc_enum_fmt(struct file *file, void *prv, struct v4l2_fmtdesc *f) static int vidioc_g_fmt(struct file *file, void *prv, struct v4l2_format *f) { - struct dma2d_ctx *ctx = prv; + struct dma2d_ctx *ctx = file2ctx(file); struct vb2_queue *vq; struct dma2d_frame *frm; @@ -379,7 +379,7 @@ static int vidioc_g_fmt(struct file *file, void *prv, struct v4l2_format *f) static int vidioc_try_fmt(struct file *file, void *prv, struct v4l2_format *f) { - struct dma2d_ctx *ctx = prv; + struct dma2d_ctx *ctx = file2ctx(file); struct dma2d_fmt *fmt; enum v4l2_field *field; u32 fourcc = f->fmt.pix.pixelformat; @@ -422,7 +422,7 @@ static int vidioc_try_fmt(struct file *file, void *prv, struct v4l2_format *f) static int vidioc_s_fmt(struct file *file, void *prv, struct v4l2_format *f) { - struct dma2d_ctx *ctx = prv; + struct dma2d_ctx *ctx = file2ctx(file); struct vb2_queue *vq; struct dma2d_frame *frm; struct dma2d_fmt *fmt; -- 2.49.0