From: Jaroslav Kysela <perex@perex.cz>
Date: Sun, 11 Dec 2016 19:04:06 +0000 (+0100)
Subject: iptv auto: fix NULL dereference issue for tags, fixes #4134
X-Git-Tag: v4.2.1~174
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3654c98e2a376480f16a56daa368c8b8b71b32ed;p=thirdparty%2Ftvheadend.git

iptv auto: fix NULL dereference issue for tags, fixes #4134
---

diff --git a/src/input/mpegts/iptv/iptv_auto.c b/src/input/mpegts/iptv/iptv_auto.c
index 23607e9de..f17ca0a3d 100644
--- a/src/input/mpegts/iptv/iptv_auto.c
+++ b/src/input/mpegts/iptv/iptv_auto.c
@@ -241,7 +241,7 @@ skip_url:
       }
       if (strcmp(im->mm_iptv_tags ?: "", tags ?: "")) {
         free(im->mm_iptv_tags);
-        im->mm_iptv_tags = strdup(tags);
+        im->mm_iptv_tags = tags ? strdup(tags) : NULL;
         change = 1;
       }
       if (epgcfg >= 0 && im->mm_epg != epgcfg) {