From d67b177ff6a6dbbd950f1aaa84669351d6f26b9e Mon Sep 17 00:00:00 2001
From: Ramkumar Radhakrishnan <ramkumar@codeaurora.org>
Date: Wed, 18 May 2016 18:56:05 -0700
Subject: [PATCH] SF: Fix NULL pointer dereferencing in dumpDrawCycle()

Check for NULL before dereferencing a pointer in dumpDrawCycle()

Change-Id: I1f06214577d0065c988877acb0f1b4378080690f
CRs-Fixed: 1018335
---
 services/surfaceflinger/ExSurfaceFlinger/ExSurfaceFlinger.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/services/surfaceflinger/ExSurfaceFlinger/ExSurfaceFlinger.cpp b/services/surfaceflinger/ExSurfaceFlinger/ExSurfaceFlinger.cpp
index 96d4b1d1e..7be0328b6 100644
--- a/services/surfaceflinger/ExSurfaceFlinger/ExSurfaceFlinger.cpp
+++ b/services/surfaceflinger/ExSurfaceFlinger/ExSurfaceFlinger.cpp
@@ -335,6 +335,10 @@ void ExSurfaceFlinger::dumpDrawCycle(bool prePrepare) {
 
     gettimeofday(&tv, NULL);
     ptm = localtime(&tv.tv_sec);
+    if (ptm == NULL) {
+        return;
+    }
+
     strftime (hms, sizeof (hms), "%H:%M:%S", ptm);
     millis = tv.tv_usec / 1000;
     snprintf(timeStamp, sizeof(timeStamp), "Timestamp: %s.%03ld", hms, millis);