From d11b833201ae72265d52d606fa084841b44e9a65 Mon Sep 17 00:00:00 2001
From: Bruce Beare <brucex.j.beare@intel.com>
Date: Thu, 22 Jul 2010 13:23:33 -0700
Subject: [PATCH] Avoid array overrun. We can now mount the /sdcard partition
 on our boot sdcards

Orig-Change-Id: I6e9db8c55db49b4aa61dd40cd59495f55e5b3368
Signed-off-by: Bruce Beare <brucex.j.beare@intel.com>
---
 DirectVolume.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/DirectVolume.cpp b/DirectVolume.cpp
index 0ac1a0c..a570a73 100644
--- a/DirectVolume.cpp
+++ b/DirectVolume.cpp
@@ -202,9 +202,13 @@ void DirectVolume::handlePartitionAdded(const char *devpath, NetlinkEvent *evt)
 #ifdef PARTITION_DEBUG
     SLOGD("Dv:partAdd: part_num = %d, minor = %d\n", part_num, minor);
 #endif
-    mPartMinors[part_num -1] = minor;
-
+    if (part_num >= MAX_PARTITIONS) {
+        SLOGE("Dv:partAdd: ignoring part_num = %d (max: %d)\n", part_num, MAX_PARTITIONS-1);
+    } else {
+        mPartMinors[part_num -1] = minor;
+    }
     mPendingPartMap &= ~(1 << part_num);
+
     if (!mPendingPartMap) {
 #ifdef PARTITION_DEBUG
         SLOGD("Dv:partAdd: Got all partitions - ready to rock!");