From 8aa71917f7be78151cff50b850a25f26de614b13 Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Sat, 9 Apr 2011 15:54:38 +0530
Subject: [PATCH] atapi: Drives can be locked without media present
Drivers are free to lock drives without any media present. Such a
condition should not result in an error condition.
See Table 341 in MMC-5 spec for details.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
hw/ide/core.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/hw/ide/core.c b/hw/ide/core.c
index c11d457b7a..a290142c57 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -1230,13 +1230,8 @@ static void ide_atapi_cmd(IDEState *s)
ide_atapi_cmd_reply(s, 18, max_len);
break;
case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
- if (bdrv_is_inserted(s->bs)) {
- bdrv_set_locked(s->bs, packet[4] & 1);
- ide_atapi_cmd_ok(s);
- } else {
- ide_atapi_cmd_error(s, SENSE_NOT_READY,
- ASC_MEDIUM_NOT_PRESENT);
- }
+ bdrv_set_locked(s->bs, packet[4] & 1);
+ ide_atapi_cmd_ok(s);
break;
case GPCMD_READ_10:
case GPCMD_READ_12: