From: joeuser <joeusercz@goglemail.co>
Date: Thu, 6 Dec 2018 23:30:43 +0000 (+0100)
Subject: Don't warn on packets with small/no payload.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f7d4b7c48f7a69b1628b75f7c27f6c6c274cf202;p=thirdparty%2Ftvheadend.git

Don't warn on packets with small/no payload.
---

diff --git a/src/descrambler/tvhcsa.c b/src/descrambler/tvhcsa.c
index 4e9680c16..1deefc50f 100644
--- a/src/descrambler/tvhcsa.c
+++ b/src/descrambler/tvhcsa.c
@@ -122,11 +122,13 @@ tvhcsa_csa_cbc_descramble
      ev_od = pkt[3] & 0x40;
      pkt[3] &= 0x3f; 		// consider it decrypted now
      if(pkt[3] & 0x20) {	// incomplete packet
+       if(!(pkt[3] & 0x10))     // no payload - but why scrambled???
+         break;
        offset = 4 + pkt[4] + 1;
-       if (offset > 188-8){	// invalid offset (residue handling?)
-         if (tvhlog_limit(&csa->tvhcsa_loglimit, 10))
-           tvhwarn(LS_CSA, "invalid payload offset in packet for service \"%s\" (offset=%d pkt[3]=0x%02x pkt[4]=0x%02x)",
-                           ((mpegts_service_t *)s)->s_dvb_svcname, (int)offset, pkt[3], pkt[4]);
+       if (offset >= 188){	// invalid offset (residue handling?)
+         if (tvhlog_limit(&csa->tvhcsa_loglimit, 30))
+           tvhtrace(LS_CSA, "invalid payload offset in packet for service \"%s\" (offset=%d pkt[3]=0x%02x pkt[4]=0x%02x)",
+                            ((mpegts_service_t *)s)->s_dvb_svcname, (int)offset, pkt[3], pkt[4]);
          break;			// no more processing
        }
        len = 188 - offset;