From: Jaroslav Kysela <perex@perex.cz>
Date: Wed, 16 Mar 2016 17:04:09 +0000 (+0100)
Subject: linuxdvb: fix possible NULL deference
X-Git-Tag: v4.2.1~847
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7adea4a102475fbeb0267a9ab160e1e0644f11c2;p=thirdparty%2Ftvheadend.git

linuxdvb: fix possible NULL deference
---

diff --git a/src/input/mpegts/linuxdvb/linuxdvb_frontend.c b/src/input/mpegts/linuxdvb/linuxdvb_frontend.c
index 89e5fe4aa..b9c266f40 100644
--- a/src/input/mpegts/linuxdvb/linuxdvb_frontend.c
+++ b/src/input/mpegts/linuxdvb/linuxdvb_frontend.c
@@ -579,7 +579,7 @@ linuxdvb_frontend_start_mux
   if (lfe->lfe_master) {
     assert(lfe->lfe_type == DVB_TYPE_S);
     lfe2 = (linuxdvb_frontend_t *)idnode_find(lfe->lfe_master, &linuxdvb_frontend_class, NULL);
-    if (lfe2->lfe_type != lfe->lfe_type)
+    if (lfe2 && lfe2->lfe_type != lfe->lfe_type)
       lfe2 = NULL;
     res = SM_CODE_TUNING_FAILED;
     if (lfe2) {