thodg/libgit2

diff --git a/src/pathspec.c b/src/pathspec.c
index 8b469f7..97b5d94 100644
--- a/src/pathspec.c
+++ b/src/pathspec.c
@@ -315,6 +315,9 @@ static git_pathspec_match_list *pathspec_match_alloc(
 		m = NULL;
 	}
 
+	if (!m)
+		return NULL;
+
 	/* need to keep reference to pathspec and increment refcount because
 	 * failures array stores pointers to the pattern strings of the
 	 * pathspec that had no matches