* Buffer.cpp:

	- prevent potential null pointer.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@28023 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index beec8ff9e8c0acafb5c90c831d443f1e8457662b..2552c93265e8e395413e9f307e9d8dd5db584fae 100644 (file)
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -592,7 +592,7 @@ bool Buffer::readDocument(Lexer & lex)
                                checkAndLoadLyXFile(master_file, true);
                        // set master as master buffer, but only if we are
                        // a real child
-                       if (master->isChild(this))
+                       if (master && master->isChild(this))
                                d->parent_buffer = master;
                        else
                                LYXERR0("The master '"