From 819627ecc7db69537134ff01e946992a9ff631ca Mon Sep 17 00:00:00 2001
From: Adam Sutton <dev@adamsutton.me.uk>
Date: Tue, 17 Dec 2013 13:11:45 +0000
Subject: [PATCH] dvb: add NULL ptr check on save param. Fixes #1873.

---
 src/dvb/dvb_service.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dvb/dvb_service.c b/src/dvb/dvb_service.c
index f8f8def6..a308333a 100644
--- a/src/dvb/dvb_service.c
+++ b/src/dvb/dvb_service.c
@@ -426,7 +426,7 @@ dvb_service_find2(th_dvb_mux_instance_t *tdmi, uint16_t sid, int pmt_pid,
   if (t) {
     if (pmt_pid && pmt_pid != t->s_pmt_pid) {
       t->s_pmt_pid = pmt_pid;
-      *save = 1;
+      if (save) *save = 1;
     }
     return t;
   }