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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/mgag200/mgag200_main.c
parentcc344980c76748e57c9c03100c2a14d36ab00334 (diff)
downloadlinux-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/mgag200/mgag200_main.c')
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_main.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
index b1a0f5656175..9147444d5bf2 100644
--- a/drivers/gpu/drm/mgag200/mgag200_main.c
+++ b/drivers/gpu/drm/mgag200/mgag200_main.c
@@ -29,7 +29,7 @@ static const struct drm_framebuffer_funcs mga_fb_funcs = {
int mgag200_framebuffer_init(struct drm_device *dev,
struct mga_framebuffer *gfb,
- struct drm_mode_fb_cmd2 *mode_cmd,
+ const struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_gem_object *obj)
{
int ret;
@@ -47,7 +47,7 @@ int mgag200_framebuffer_init(struct drm_device *dev,
static struct drm_framebuffer *
mgag200_user_framebuffer_create(struct drm_device *dev,
struct drm_file *filp,
- struct drm_mode_fb_cmd2 *mode_cmd)
+ const struct drm_mode_fb_cmd2 *mode_cmd)
{
struct drm_gem_object *obj;
struct mga_framebuffer *mga_fb;