From 4484011767b6fe14229a744f3e8deeaabdf7ad88 Mon Sep 17 00:00:00 2001
From: OBattler <oubattler@gmail.com>
Date: Mon, 20 Nov 2017 05:53:08 +0100
Subject: [PATCH] The CD-ROM READ DISC INFORMATION command now takes the
 allocated length field into account when determining the length of data to
 send, fixes Kurumin Linux on ATAPI DMA.

---
 src/cdrom/cdrom.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/cdrom/cdrom.c b/src/cdrom/cdrom.c
index fa1c0e033..b016aa008 100644
--- a/src/cdrom/cdrom.c
+++ b/src/cdrom/cdrom.c
@@ -2563,7 +2563,7 @@ cdrom_readtoc_fallback:
 				alloc_length <<= 8;
 				alloc_length |= cdbufferb[1];
 				alloc_length += 2;
-				len = MIN(len, alloc_length);
+				len = alloc_length;
 			} else {
 				memset(cdbufferb, 0, 34);
 				memset(cdbufferb, 1, 9);
@@ -2575,6 +2575,9 @@ cdrom_readtoc_fallback:
 				len=34;
 			}
 
+			len = MIN(len, max_len);
+			pclog("READ_DISC_INFORMATION: len = %i\n", len);
+
 			cdrom_set_buf_len(id, BufLen, &len);
 
 			cdrom_data_command_finish(id, len, len, len, 0);