It was <2025-08-02 sob 11:22>, when Jacopo Mondi wrote: > From: Laurent Pinchart <laurent.pinch...@ideasonboard.com> > > Multiple drivers that use v4l2_fh and call v4l2_fh_del() manually reset > the file->private_data pointer to NULL in their video device .release() > file operation handler. Move the code to the v4l2_fh_del() function to > avoid direct access to file->private_data in drivers. This requires > adding a file pointer argument to the function.
[...] > diff --git a/drivers/media/platform/samsung/s5p-g2d/g2d.c > b/drivers/media/platform/samsung/s5p-g2d/g2d.c > index > e34cae9c9cf65d3161822b68233d28472171f917..922262f61e7b53baf1b5840d35149bf5b4b2e7ad > 100644 > --- a/drivers/media/platform/samsung/s5p-g2d/g2d.c > +++ b/drivers/media/platform/samsung/s5p-g2d/g2d.c > @@ -280,7 +280,7 @@ static int g2d_release(struct file *file) > v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); > mutex_unlock(&dev->mutex); > v4l2_ctrl_handler_free(&ctx->ctrl_handler); > - v4l2_fh_del(&ctx->fh); > + v4l2_fh_del(&ctx->fh, file); > v4l2_fh_exit(&ctx->fh); > kfree(ctx); > v4l2_info(&dev->v4l2_dev, "instance closed\n"); > diff --git a/drivers/media/platform/samsung/s5p-jpeg/jpeg-core.c > b/drivers/media/platform/samsung/s5p-jpeg/jpeg-core.c > index > c4ad0196ed8f1bf579365a0a21dd8c4a78bdaa10..2a57efd181540183e7d2b66d51f9f2f274ddd100 > 100644 > --- a/drivers/media/platform/samsung/s5p-jpeg/jpeg-core.c > +++ b/drivers/media/platform/samsung/s5p-jpeg/jpeg-core.c > @@ -1005,7 +1005,7 @@ static int s5p_jpeg_open(struct file *file) > return 0; > > error: > - v4l2_fh_del(&ctx->fh); > + v4l2_fh_del(&ctx->fh, file); > v4l2_fh_exit(&ctx->fh); > mutex_unlock(&jpeg->lock); > free: > @@ -1021,7 +1021,7 @@ static int s5p_jpeg_release(struct file *file) > mutex_lock(&jpeg->lock); > v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); > v4l2_ctrl_handler_free(&ctx->ctrl_handler); > - v4l2_fh_del(&ctx->fh); > + v4l2_fh_del(&ctx->fh, file); > v4l2_fh_exit(&ctx->fh); > kfree(ctx); > mutex_unlock(&jpeg->lock); Acked-by: Łukasz Stelmach <l.stelm...@samsung.com> [...] -- Łukasz Stelmach Samsung R&D Institute Poland Samsung Electronics
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