[PATCH v3 61/76] media: stm32: dma2d: Access v4l2_fh from file
From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Date: 2025-08-10 01:33:03
Also in:
linux-media
Subsystem:
media input infrastructure (v4l/dvb), the rest · Maintainers:
Mauro Carvalho Chehab, Linus Torvalds
From: Jacopo Mondi <jacopo.mondi@ideasonboard.com> 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@ideasonboard.com> --- 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 bc0f81e78018..a22f587a5f83 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;
--
Regards,
Laurent Pinchart