[PATCH][next] drm/i915: fix uninitialized variable 'subslice_mask'

[Colin King]

From: Colin Ian King <colin.king at canonical.com>

Currently subslice_mask is not initialized and so data is being
bit-wise or'd into a garbage value. Fix this by inintializing
subslice_mask to zero.

Addresses-Coverity: ("Uninitialized scalar variable")
Fixes: 1ac159e23c2c ("drm/i915: Expand subslice mask")
Signed-off-by: Colin Ian King <colin.king at canonical.com>
---
 drivers/gpu/drm/i915/intel_device_info.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 3625f777f3a3..d395a09b994f 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -298,7 +298,7 @@ static void cherryview_sseu_info_init(struct drm_i915_private *dev_priv)
 {
 	struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu;
 	u32 fuse;
-	u8 subslice_mask;
+	u8 subslice_mask = 0;
 
 	fuse = I915_READ(CHV_FUSE_GT);
 
-- 
2.20.1