sdm: fix null pointer dereference and vector initialization.

Change-Id: I25bb8daa6b49223a443a31d1ae17560ed6fca486
Signed-off-by: Pramodh Kumar Mukunda <pkmuku@codeaurora.org>
diff --git a/libgralloc1/gr_utils.cpp b/libgralloc1/gr_utils.cpp
index b3056e1..560bb08 100644
--- a/libgralloc1/gr_utils.cpp
+++ b/libgralloc1/gr_utils.cpp
@@ -509,7 +509,9 @@
     // Query GPU for UBWC only if buffer is intended to be used by GPU.
     if ((cons_usage & GRALLOC1_CONSUMER_USAGE_GPU_TEXTURE) ||
         (prod_usage & GRALLOC1_PRODUCER_USAGE_GPU_RENDER_TARGET)) {
-      enable = AdrenoMemInfo::GetInstance()->IsUBWCSupportedByGPU(format);
+      if (AdrenoMemInfo::GetInstance()) {
+        enable = AdrenoMemInfo::GetInstance()->IsUBWCSupportedByGPU(format);
+      }
     }
 
     // Allow UBWC, only if CPU usage flags are not set
@@ -675,8 +677,10 @@
   int tile = ubwc_enabled;
 
   if (IsUncompressedRGBFormat(format)) {
-    AdrenoMemInfo::GetInstance()->AlignUnCompressedRGB(width, height, format, tile, alignedw,
-                                                       alignedh);
+    if (AdrenoMemInfo::GetInstance()) {
+      AdrenoMemInfo::GetInstance()->AlignUnCompressedRGB(width, height, format, tile, alignedw,
+                                                         alignedh);
+    }
     return;
   }
 
@@ -686,7 +690,9 @@
   }
 
   if (IsCompressedRGBFormat(format)) {
-    AdrenoMemInfo::GetInstance()->AlignCompressedRGB(width, height, format, alignedw, alignedh);
+    if (AdrenoMemInfo::GetInstance()) {
+      AdrenoMemInfo::GetInstance()->AlignCompressedRGB(width, height, format, alignedw, alignedh);
+    }
     return;
   }
 
@@ -698,6 +704,9 @@
   switch (format) {
     case HAL_PIXEL_FORMAT_YCrCb_420_SP:
     case HAL_PIXEL_FORMAT_YCbCr_420_SP:
+      if (AdrenoMemInfo::GetInstance() == nullptr) {
+        return;
+      }
       alignment = AdrenoMemInfo::GetInstance()->GetGpuPixelAlignment();
       aligned_w = ALIGN(width, alignment);
       break;