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authorVille Syrjälä <ville.syrjala@linux.intel.com>2015-11-11 19:11:29 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-11-24 11:47:38 +0100
commit1eb83451ba55d7a8c82b76b1591894ff2d4a95f2 (patch)
tree9e6d333c68f31bbba6ddada85e899adf1f47cf0f /drivers/gpu/drm/nouveau/nouveau_display.c
parentcc344980c76748e57c9c03100c2a14d36ab00334 (diff)
downloadlinux-1eb83451ba55d7a8c82b76b1591894ff2d4a95f2.tar.bz2
drm: Pass the user drm_mode_fb_cmd2 as const to .fb_create()
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>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_display.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_display.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index db6bc6760545..ea9d3bc91266 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -246,7 +246,7 @@ static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
int
nouveau_framebuffer_init(struct drm_device *dev,
struct nouveau_framebuffer *nv_fb,
- struct drm_mode_fb_cmd2 *mode_cmd,
+ const struct drm_mode_fb_cmd2 *mode_cmd,
struct nouveau_bo *nvbo)
{
struct nouveau_display *disp = nouveau_display(dev);
@@ -272,7 +272,7 @@ nouveau_framebuffer_init(struct drm_device *dev,
static struct drm_framebuffer *
nouveau_user_framebuffer_create(struct drm_device *dev,
struct drm_file *file_priv,
- struct drm_mode_fb_cmd2 *mode_cmd)
+ const struct drm_mode_fb_cmd2 *mode_cmd)
{
struct nouveau_framebuffer *nouveau_fb;
struct drm_gem_object *gem;