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authorVille Syrjälä <ville.syrjala@linux.intel.com>2015-11-11 20:11:29 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-11-24 13:47:38 +0300
commit1eb83451ba55d7a8c82b76b1591894ff2d4a95f2 (patch)
tree9e6d333c68f31bbba6ddada85e899adf1f47cf0f /drivers/gpu/drm/tegra/fb.c
parentcc344980c76748e57c9c03100c2a14d36ab00334 (diff)
downloadlinux-1eb83451ba55d7a8c82b76b1591894ff2d4a95f2.tar.xz
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/tegra/fb.c')
-rw-r--r--drivers/gpu/drm/tegra/fb.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c
index bec07d934b3b..ede9e94f3312 100644
--- a/drivers/gpu/drm/tegra/fb.c
+++ b/drivers/gpu/drm/tegra/fb.c
@@ -92,7 +92,7 @@ static struct drm_framebuffer_funcs tegra_fb_funcs = {
};
static struct tegra_fb *tegra_fb_alloc(struct drm_device *drm,
- struct drm_mode_fb_cmd2 *mode_cmd,
+ const struct drm_mode_fb_cmd2 *mode_cmd,
struct tegra_bo **planes,
unsigned int num_planes)
{
@@ -131,7 +131,7 @@ static struct tegra_fb *tegra_fb_alloc(struct drm_device *drm,
struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,
struct drm_file *file,
- struct drm_mode_fb_cmd2 *cmd)
+ const struct drm_mode_fb_cmd2 *cmd)
{
unsigned int hsub, vsub, i;
struct tegra_bo *planes[4];