From: John Darrington <john@darrington.wattle.id.au>
Date: Thu, 11 Aug 2016 20:11:38 +0000 (+0200)
Subject: Fix possible null pointer dereference
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dae6cb8b61f6c4864c428e94aaaf680de510041e;p=pspp

Fix possible null pointer dereference
---

diff --git a/src/output/cairo.c b/src/output/cairo.c
index 1a8c78c69f..c7188af0b6 100644
--- a/src/output/cairo.c
+++ b/src/output/cairo.c
@@ -1078,7 +1078,8 @@ xr_layout_cell_text (struct xr_driver *xr,
             {
               if (brk && clip[H][0] != clip[H][1])
                 best = bottom;
-              *brk = bottom;
+              if (brk)
+                *brk = bottom;
             }
           else
             break;