[libbluray-devel] Fix reference to NULL pointer when there are no playmarks

[john]

libbluray | branch: master | john <john at anonymous.org> | Fri Feb  4 09:36:20 2011 -0800| [e2b2c934c803fa6b2d3da7c91fdc0dfd650b4396] | committer: john

Fix reference to NULL pointer when there are no playmarks

> http://git.videolan.org/gitweb.cgi/libbluray.git/?a=commit;h=e2b2c934c803fa6b2d3da7c91fdc0dfd650b4396
---

 src/libbluray/bdnav/navigation.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/libbluray/bdnav/navigation.c b/src/libbluray/bdnav/navigation.c
index 19ae48e..2c33af3 100644
--- a/src/libbluray/bdnav/navigation.c
+++ b/src/libbluray/bdnav/navigation.c
@@ -380,7 +380,7 @@ _extrapolate_title(NAV_TITLE *title)
         mark->number = ii;
     }
     title->chap_list.count = jj;
-    if (prev->duration == 0) {
+    if (prev != NULL && prev->duration == 0) {
         prev->duration = title->duration - prev->title_time;
     }
 }