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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/exynos
parentcc344980c76748e57c9c03100c2a14d36ab00334 (diff)
downloadop-kernel-dev-1eb83451ba55d7a8c82b76b1591894ff2d4a95f2.zip
op-kernel-dev-1eb83451ba55d7a8c82b76b1591894ff2d4a95f2.tar.gz
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/exynos')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fb.c4
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fb.h2
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index fcea28b..49b9bc3 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -117,7 +117,7 @@ static struct drm_framebuffer_funcs exynos_drm_fb_funcs = {
struct drm_framebuffer *
exynos_drm_framebuffer_init(struct drm_device *dev,
- struct drm_mode_fb_cmd2 *mode_cmd,
+ const struct drm_mode_fb_cmd2 *mode_cmd,
struct exynos_drm_gem **exynos_gem,
int count)
{
@@ -154,7 +154,7 @@ err:
static struct drm_framebuffer *
exynos_user_fb_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 exynos_drm_gem *exynos_gem[MAX_FB_BUFFER];
struct drm_gem_object *obj;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.h b/drivers/gpu/drm/exynos/exynos_drm_fb.h
index 726a2d4..a8a75ac 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.h
@@ -18,7 +18,7 @@
struct drm_framebuffer *
exynos_drm_framebuffer_init(struct drm_device *dev,
- struct drm_mode_fb_cmd2 *mode_cmd,
+ const struct drm_mode_fb_cmd2 *mode_cmd,
struct exynos_drm_gem **exynos_gem,
int count);
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