From d05d988e349d6a9a2dd2a41b7f9e5ef942643328 Mon Sep 17 00:00:00 2001
From: TC1995 <mariogplayer90@gmail.com>
Date: Wed, 30 Nov 2022 16:01:33 +0100
Subject: [PATCH] IDE/ATAPI: Don't overwrite data in packet writes during Phase
 Data In. Fixes Solaris 2.6 CD installation on ide/atapi.

---
 src/disk/hdc_ide.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/disk/hdc_ide.c b/src/disk/hdc_ide.c
index a306c5288..2f544cfb9 100644
--- a/src/disk/hdc_ide.c
+++ b/src/disk/hdc_ide.c
@@ -1150,6 +1150,9 @@ ide_atapi_packet_write(ide_t *ide, uint32_t val, int length)
     bufferw = (uint16_t *) bufferb;
     bufferl = (uint32_t *) bufferb;
 
+    if (dev->packet_status == PHASE_DATA_IN)
+        return;
+
     switch (length) {
         case 1:
             bufferb[dev->pos] = val & 0xff;