libdce [Android]: avoid crash in memplugin_close3.00.12.00

Add more checks to prevent crash scenarios in memplugin_close.

Change-Id: Ieafc2bbd7a6876059926f37619b017d9cbb5a21d
Signed-off-by: Vishal Mahaveer <vishalm@ti.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/memplugin_android.c b/memplugin_android.c
index 97ea44a..f16a976 100644
--- a/memplugin_android.c
+++ b/memplugin_android.c
@@ -81,9 +81,12 @@ int memplugin_open()
 
 int memplugin_close()
 {
-    omap_device_del(OmapDev);
-    OmapDev = NULL;
-    if (OmapDrm_FD) {
+    if (OmapDev) {
+        omap_device_del(OmapDev);
+        OmapDev = NULL;
+    }
+
+    if (OmapDrm_FD > 0) {
         close(OmapDrm_FD);
         OmapDrm_FD = INVALID_DRM_FD;
     }