From: Jaroslav Kysela <perex@perex.cz>
Date: Thu, 15 Oct 2015 14:31:22 +0000 (+0200)
Subject: channel tags: more strict checking for tag create
X-Git-Tag: v4.2.1~1905
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=19439298cd69a5d63a1e2488b437cf2444a4c210;p=thirdparty%2Ftvheadend.git

channel tags: more strict checking for tag create
---

diff --git a/src/channels.c b/src/channels.c
index 9c49cd4c6..412834013 100644
--- a/src/channels.c
+++ b/src/channels.c
@@ -929,6 +929,9 @@ channel_tag_map(channel_tag_t *ct, channel_t *ch, void *origin)
 {
   idnode_list_mapping_t *ilm;
 
+  if (ct == NULL || ch == NULL)
+    return NULL;
+
   ilm = idnode_list_link(&ct->ct_id, &ct->ct_ctms,
                          &ch->ch_id, &ch->ch_ctms,
                          origin);
@@ -1232,7 +1235,7 @@ channel_tag_find_by_name(const char *name, int create)
 {
   channel_tag_t *ct;
 
-  if (name == NULL)
+  if (name == NULL || *name == '\0')
     return NULL;
 
   TAILQ_FOREACH(ct, &channel_tags, ct_link)