2012/7/10, Cooper Yuan <cooperyuan@xxxxxxxxx>: > Set dma_buf exporter permission as ReadWrite, otherwise mmap will get > errno 13: permission denied. > > Signed-off-by: Cooper Yuan <cooperyuan@xxxxxxxxx> > --- > drivers/gpu/drm/exynos/exynos_drm_dmabuf.c | 3 ++- > 1 files changed, 2 insertions(+), 1 deletions(-) > > diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c > b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c > index 613bf8a..e4eeb0b 100644 > --- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c > +++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c > @@ -29,6 +29,7 @@ > #include "exynos_drm_drv.h" > #include "exynos_drm_gem.h" > > +#include <linux/fcntl.h> > #include <linux/dma-buf.h> > > static struct sg_table *exynos_pages_to_sg(struct page **pages, int > nr_pages, > @@ -179,7 +180,7 @@ struct dma_buf *exynos_dmabuf_prime_export(struct > drm_device *drm_dev, > struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj); > > return dma_buf_export(exynos_gem_obj, &exynos_dmabuf_ops, > - exynos_gem_obj->base.size, 0600); > + exynos_gem_obj->base.size, O_RDWR); this way is not good. the permission should be set from user so use flags variable. > } > > struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device > *drm_dev, > -- > 1.7.0.4 > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
