drm/i915: Enclose for_each_engine_masked macro arguments in parentheses

Enclose for_each_engine_masked macro arguments in parentheses.

v2:
 * Fixup whitespace to satisfy checkpatch.
 * Likewise reformat to 80 chars.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180406114407.25360-1-tvrtko.ursulin@linux.intel.com

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index ba4a821..649c0f2 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2151,8 +2151,10 @@ static inline struct drm_i915_private *huc_to_i915(struct intel_huc *huc)
 
 /* Iterator over subset of engines selected by mask */
 #define for_each_engine_masked(engine__, dev_priv__, mask__, tmp__) \
-       for (tmp__ = mask__ & INTEL_INFO(dev_priv__)->ring_mask;        \
-            tmp__ ? (engine__ = (dev_priv__)->engine[__mask_next_bit(tmp__)]), 1 : 0; )
+       for ((tmp__) = (mask__) & INTEL_INFO(dev_priv__)->ring_mask; \
+            (tmp__) ? \
+            ((engine__) = (dev_priv__)->engine[__mask_next_bit(tmp__)]), 1 : \
+            0;)
 
 enum hdmi_force_audio {
        HDMI_AUDIO_OFF_DVI = -2,        /* no aux data for HDMI-DVI converter */