Fixed issues reported by Klockwork

Signed-off-by: Austin Yuan <shengquan.yuan@intel.com>

dummy_drv_video/dummy_drv_video.c

@@ -736,6 +736,12 @@ VAStatus dummy_CreateContext(
     obj_context->picture_height = picture_height;
     obj_context->num_render_targets = num_render_targets;
     obj_context->render_targets = (VASurfaceID *) malloc(num_render_targets * sizeof(VASurfaceID));
+    if (obj_context->render_targets == NULL)
+    {
+        vaStatus = VA_STATUS_ERROR_ALLOCATION_FAILED;
+        return vaStatus;
+    }
+    
     for(i = 0; i < num_render_targets; i++)
     {
         if (NULL == SURFACE(render_targets[i]))

src/va.c

@@ -143,10 +143,10 @@ static VAStatus va_openDriver(VADisplay dpy, char *driver_name)
         char *driver_path = (char *) malloc( strlen(driver_dir) +
                                              strlen(driver_name) +
                                              strlen(DRIVER_EXTENSION) + 2 );
-        strcpy( driver_path, driver_dir );
-        strcat( driver_path, "/" );
-        strcat( driver_path, driver_name );
-        strcat( driver_path, DRIVER_EXTENSION );
+        strncpy( driver_path, driver_dir, strlen(driver_dir) );
+        strncat( driver_path, "/", strlen("/") );
+        strncat( driver_path, driver_name, strlen(driver_name) );
+        strncat( driver_path, DRIVER_EXTENSION, strlen(DRIVER_EXTENSION) );
         
         va_infoMessage("Trying to open %s\n", driver_path);