drm/i915: Contain the WA_REG macro

Prevent leaking the if scoping by containing the WA_REG
macro inside its own scope.

Reported-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Dave Gordon <david.s.gordon@intel.com>
[danvet: Appease checkpatch.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 1a10358d4c48..6e6b8db996ef 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -780,11 +780,11 @@ static int wa_add(struct drm_i915_private *dev_priv,
         return 0;
 }
 
-#define WA_REG(addr, mask, val) { \
+#define WA_REG(addr, mask, val) do { \
                 const int r = wa_add(dev_priv, (addr), (mask), (val)); \
                 if (r) \
                         return r; \
-        }
+        } while (0)
 
 #define WA_SET_BIT_MASKED(addr, mask) \
         WA_REG(addr, (mask), _MASKED_BIT_ENABLE(mask))