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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2015-12-14 22:39:36 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2015-12-31 11:25:44 +0200 |
| commit | ef3f4e998240c33a9a424d5c1dbb045f2b919d43 (patch) | |
| tree | 7ea0d298d822411f93ee56540a32c8f5febda2cb /drivers/gpu/drm/omapdrm | |
| parent | f4302747af0275813922a9fd24e1718bae2f1142 (diff) | |
| download | talos-op-linux-ef3f4e998240c33a9a424d5c1dbb045f2b919d43.tar.gz talos-op-linux-ef3f4e998240c33a9a424d5c1dbb045f2b919d43.zip | |
drm: omapdrm: gem: Mask out private flags passed from userspace
The 8 high order bits of the buffer flags are reserved for internal use.
Mask them out from the flags passed by userspace.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/gpu/drm/omapdrm')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_drv.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 1e80b0243f9c..cc7905566228 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -547,14 +547,19 @@ static int ioctl_set_param(struct drm_device *dev, void *data, return 0; } +#define OMAP_BO_USER_MASK 0x00ffffff /* flags settable by userspace */ + static int ioctl_gem_new(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_omap_gem_new *args = data; + u32 flags = args->flags & OMAP_BO_USER_MASK; + VERB("%p:%p: size=0x%08x, flags=%08x", dev, file_priv, - args->size.bytes, args->flags); - return omap_gem_new_handle(dev, file_priv, args->size, - args->flags, &args->handle); + args->size.bytes, flags); + + return omap_gem_new_handle(dev, file_priv, args->size, flags, + &args->handle); } static int ioctl_gem_cpu_prep(struct drm_device *dev, void *data, |
