From: Daniel Vetter Date: Tue, 24 Apr 2012 06:22:52 +0000 (+0200) Subject: drm/i915: disallow gem ums init ioctl for kms X-Git-Tag: v3.5-rc1~83^2~8^2~63 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7bb6fb8dd958ae773ac205282e3c0b56c22e01ed;p=platform%2Fkernel%2Flinux-3.10.git drm/i915: disallow gem ums init ioctl for kms This ioctl used in a kms driver is only useful to create massive havoc. v2: Bail out with -ENODEV as suggested by Chris Wilson. Reviewed-by: Chris Wilson Signed-Off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index b402d70..1b808d0 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -140,6 +140,9 @@ i915_gem_init_ioctl(struct drm_device *dev, void *data, { struct drm_i915_gem_init *args = data; + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return -ENODEV; + if (args->gtt_start >= args->gtt_end || (args->gtt_end | args->gtt_start) & (PAGE_SIZE - 1)) return -EINVAL;