From 72fa4a2e5edb6b76f0217b985390d6b592b75106 Mon Sep 17 00:00:00 2001
From: Augustin Cavalier <waddlesplash@gmail.com>
Date: Sat, 15 Dec 2018 17:37:50 -0500
Subject: [PATCH] Installer: Check return value of GetMountPoint.

Probably fixes #14586 (NULL dereference in the strcmp on the next line)
but I couldn't quite manage to reproduce it.
---
 src/apps/installer/WorkerThread.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/apps/installer/WorkerThread.cpp b/src/apps/installer/WorkerThread.cpp
index 01cc30221a..452d381ad3 100644
--- a/src/apps/installer/WorkerThread.cpp
+++ b/src/apps/installer/WorkerThread.cpp
@@ -773,7 +773,8 @@ SourceVisitor::Visit(BPartition *partition, int32 level)
 	bool isBootPartition = false;
 	if (partition->IsMounted()) {
 		BPath mountPoint;
-		partition->GetMountPoint(&mountPoint);
+		if (partition->GetMountPoint(&mountPoint) != B_OK)
+			return false;
 		isBootPartition = strcmp(BOOT_PATH, mountPoint.Path()) == 0;
 	}