gralloc: Allow any process to have multiple buffer handles

Change-Id: I670ff7e03b19c07094b506a4422f99c30f06db0e
diff --git a/exynos4/hal/libgralloc_ump/alloc_device.cpp b/exynos4/hal/libgralloc_ump/alloc_device.cpp
index 2110f8d..05df8d1 100644
--- a/exynos4/hal/libgralloc_ump/alloc_device.cpp
+++ b/exynos4/hal/libgralloc_ump/alloc_device.cpp
@@ -240,7 +240,7 @@
                             private_handle_rect *psFRect;
                             psRect = (private_handle_rect *)calloc(1, sizeof(private_handle_rect));
                             psRect->handle = (int)hnd->ump_id;
-                            psRect->stride = (int)hnd->stride_raw;
+                            psRect->stride = stride_raw;
                             psFRect = find_last_rect((int)hnd->ump_id);
                             psFRect->next = psRect;
                         }
diff --git a/exynos4/hal/libgralloc_ump/gralloc_module.cpp b/exynos4/hal/libgralloc_ump/gralloc_module.cpp
index 27a930d..3bbb831 100644
--- a/exynos4/hal/libgralloc_ump/gralloc_module.cpp
+++ b/exynos4/hal/libgralloc_ump/gralloc_module.cpp
@@ -223,8 +223,6 @@
         psFRect->next = psRect;
     }
 #endif
-    if (hnd->pid == getpid())
-        return 0;
 
     if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_ION)
         err = gralloc_map(module, handle, &vaddr);