From: Michael J. Spencer <bigcheesegs@gmail.com>
Date: Mon, 9 Aug 2010 15:28:05 +0000 (+0000)
Subject: MC/MachO: Fix possible null pointer dereference.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=c1f354dcb82e2365a5fd1c39f11199dd2344cfb8;p=oota-llvm.git

MC/MachO: Fix possible null pointer dereference.

Discovered by Microsoft Visual Studio 2010 Code Analysis.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110575 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/MC/MachObjectWriter.cpp b/lib/MC/MachObjectWriter.cpp
index 7ca09511bde..d67dbc01e61 100644
--- a/lib/MC/MachObjectWriter.cpp
+++ b/lib/MC/MachObjectWriter.cpp
@@ -835,7 +835,7 @@ public:
       // FIXME: Currently, these are never generated (see code below). I cannot
       // find a case where they are actually emitted.
       Type = RIT_Vanilla;
-    } else {
+    } else if (SD) {
       // Check whether we need an external or internal relocation.
       if (doesSymbolRequireExternRelocation(SD)) {
         IsExtern = 1;