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

tvheadend · Dec 11, 2016 · 3654c98 · 3654c98
1 parent 0c506b4
commit 3654c98
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/input/mpegts/iptv/iptv_auto.c b/src/input/mpegts/iptv/iptv_auto.c
@@ -241,7 +241,7 @@ iptv_auto_network_process_m3u_item(iptv_network_t *in,
       }
       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) {