From db65a68181b1d8c9e585907f10b4f0eef5bd3e56 Mon Sep 17 00:00:00 2001
From: anon <unknown>
Date: Sat, 14 Jun 2008 17:34:41 +0800
Subject: [PATCH] nagra-0101: fix map32
---
systems/nagra/nagra2-0101.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/systems/nagra/nagra2-0101.c b/systems/nagra/nagra2-0101.c
index 764288f..670b593 100644
--- a/systems/nagra/nagra2-0101.c
+++ b/systems/nagra/nagra2-0101.c
@@ -212,10 +212,14 @@ bool cMap0101::Map(int f, unsigned char *data, int l)
break;
case 0x32:
l=min(34,l);
- A.GetLE(data,l<<3);
- BN_div(C,B,A,D,ctx);
- BN_rshift(A,C,17*64);
- BN_mask_bits(C,17*64);
+ if(!BN_is_zero(D)) {
+ A.GetLE(data,l<<3);
+ BN_div(C,B,A,D,ctx);
+ BN_rshift(A,C,17*64);
+ BN_mask_bits(C,17*64);
+ A.Commit(17);
+ C.Commit(17);
+ }
BN_zero(J);
break;
case 0x3b:
--
2.39.5