From f87dd6dceb506ad3c779cd5c095270abf1c051e0 Mon Sep 17 00:00:00 2001
From: Pawel Dziepak <pdziepak@quarnos.org>
Date: Tue, 29 Oct 2013 19:16:25 +0100
Subject: [PATCH] nfs4: FileSystem::~FileSystem() make sure fServer is valid

---
 src/add-ons/kernel/file_systems/nfs4/FileSystem.cpp | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/add-ons/kernel/file_systems/nfs4/FileSystem.cpp b/src/add-ons/kernel/file_systems/nfs4/FileSystem.cpp
index 51c1600c250..fa000a13ead 100644
--- a/src/add-ons/kernel/file_systems/nfs4/FileSystem.cpp
+++ b/src/add-ons/kernel/file_systems/nfs4/FileSystem.cpp
@@ -30,6 +30,7 @@ FileSystem::FileSystem(const MountConfiguration& configuration)
 	fNamedAttrs(true),
 	fPath(NULL),
 	fRoot(NULL),
+	fServer(NULL),
 	fId(1),
 	fConfiguration(configuration)
 {
@@ -44,9 +45,12 @@ FileSystem::FileSystem(const MountConfiguration& configuration)
 
 FileSystem::~FileSystem()
 {
-	NFS4Server* server = reinterpret_cast<NFS4Server*>(fServer->PrivateData());
-	if (server != NULL)
-		server->RemoveFileSystem(this);
+	if (fServer != NULL) {
+		NFS4Server* server
+			= reinterpret_cast<NFS4Server*>(fServer->PrivateData());
+		if (server != NULL)
+			server->RemoveFileSystem(this);
+	}
 
 	mutex_destroy(&fDelegationLock);
 	mutex_destroy(&fOpenLock);