From 243887b1e152ad5d895fd7e0f73f4478d0f38319 Mon Sep 17 00:00:00 2001
From: David Anderson <dvander@google.com>
Date: Fri, 12 Apr 2019 16:40:21 -0700
Subject: [PATCH] Handle empty strings in GetPartitionAbsolutePath.

Bug: N/A
Test: liblp_test gtests
Change-Id: I2440da17aa842d996a37d27b4bfba89ce71321d8
---
 fs_mgr/liblp/partition_opener.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs_mgr/liblp/partition_opener.cpp b/fs_mgr/liblp/partition_opener.cpp
index bb8ec9cb8..3b12213c3 100644
--- a/fs_mgr/liblp/partition_opener.cpp
+++ b/fs_mgr/liblp/partition_opener.cpp
@@ -26,6 +26,7 @@
 #include <unistd.h>
 
 #include <android-base/file.h>
+#include <android-base/strings.h>
 
 #include "utility.h"
 
@@ -37,7 +38,7 @@ using android::base::unique_fd;
 namespace {
 
 std::string GetPartitionAbsolutePath(const std::string& path) {
-    if (path[0] == '/') {
+    if (android::base::StartsWith(path, "/")) {
         return path;
     }
     return "/dev/block/by-name/" + path;