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drm: Pass the user drm_mode_fb_cmd2 as const to .fb_create()

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Drivers shouldn't clobber the passed in addfb ioctl parameters.
i915 was doing just that. To prevent it from happening again,
pass the struct around as const, starting all the way from
internal_framebuffer_create().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä
2015-11-11 19:11:29 +02:00
committed by Daniel Vetter
parent cc344980c7
commit 1eb83451ba
50 changed files with 74 additions and 74 deletions
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6
drivers/gpu/drm/gma500/framebuffer.c
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@@ -241,7 +241,7 @@ static struct fb_ops psbfb_unaccel_ops = {
*/
static int psb_framebuffer_init(struct drm_device *dev,
struct psb_framebuffer *fb,
struct drm_mode_fb_cmd2 *mode_cmd,
const struct drm_mode_fb_cmd2 *mode_cmd,
struct gtt_range *gt)
{
u32 bpp, depth;
@@ -284,7 +284,7 @@ static int psb_framebuffer_init(struct drm_device *dev,
static struct drm_framebuffer *psb_framebuffer_create
(struct drm_device *dev,
struct drm_mode_fb_cmd2 *mode_cmd,
const struct drm_mode_fb_cmd2 *mode_cmd,
struct gtt_range *gt)
{
struct psb_framebuffer *fb;
@@ -488,7 +488,7 @@ out_err1:
*/
static struct drm_framebuffer *psb_user_framebuffer_create
(struct drm_device *dev, struct drm_file *filp,
struct drm_mode_fb_cmd2 *cmd)
const struct drm_mode_fb_cmd2 *cmd)
{
struct gtt_range *r;
struct drm_gem_object *obj;