Merge tag 'drm-intel-fixes-2017-04-12' of git://anongit.freedesktop.org/git/drm-intel into drm-fixes

drm/i915 fixes for v4.11-rc7

one rcu related fix, and a few GVT fixes.

* tag 'drm-intel-fixes-2017-04-12' of git://anongit.freedesktop.org/git/drm-intel:
  drm/i915: Don't call synchronize_rcu_expedited under struct_mutex
  drm/i915: Suspend GuC prior to GPU Reset during GEM suspend
  drm/i915/gvt: set the correct default value of CTX STATUS PTR
  drm/i915/gvt: Fix firmware loading interface for GVT-g golden HW state
  drm/i915: Use a dummy timeline name for a signaled fence
  drm/i915: Ironlake do_idle_maps w/a may be called w/o struct_mutex
  drm/i915/gvt: remove the redundant info NULL check
  drm/i915/gvt: adjust mem size for low resolution type
  drm/i915: Avoid lock dropping between rescheduling
  drm/i915/gvt: exclude cfg space from failsafe mode
  drm/i915/gvt: Activate/de-activate vGPU in mdev ops.
  drm/i915/execlists: Wrap tail pointer after reset tweaking
  drm/i915/perf: remove user triggerable warn
  drm/i915/perf: destroy stream on sample_flags mismatch
  drm/i915: Align "unfenced" tiled access on gen2, early gen3

1 files changed, 8 insertions, 3 deletions

diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index a1b7eec58be2..70964ca9251e 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -1705,7 +1705,7 @@ i915_perf_open_ioctl_locked(struct drm_i915_private *dev_priv,
 	 */
 	if (WARN_ON(stream->sample_flags != props->sample_flags)) {
 		ret = -ENODEV;
-		goto err_alloc;
+		goto err_flags;
 	}
 
 	list_add(&stream->link, &dev_priv->perf.streams);
@@ -1728,6 +1728,7 @@ i915_perf_open_ioctl_locked(struct drm_i915_private *dev_priv,
 
 err_open:
 	list_del(&stream->link);
+err_flags:
 	if (stream->ops->destroy)
 		stream->ops->destroy(stream);
 err_alloc:
@@ -1793,6 +1794,11 @@ static int read_properties_unlocked(struct drm_i915_private *dev_priv,
 		if (ret)
 			return ret;
 
+		if (id == 0 || id >= DRM_I915_PERF_PROP_MAX) {
+			DRM_DEBUG("Unknown i915 perf property ID\n");
+			return -EINVAL;
+		}
+
 		switch ((enum drm_i915_perf_property_id)id) {
 		case DRM_I915_PERF_PROP_CTX_HANDLE:
 			props->single_context = 1;
@@ -1862,9 +1868,8 @@ static int read_properties_unlocked(struct drm_i915_private *dev_priv,
 			props->oa_periodic = true;
 			props->oa_period_exponent = value;
 			break;
-		default:
+		case DRM_I915_PERF_PROP_MAX:
 			MISSING_CASE(id);
-			DRM_DEBUG("Unknown i915 perf property ID\n");
 			return -EINVAL;
 		}