[Qemu-block] [PATCH] atapi: allow 0 transfer bytes for read_cd command

[Hervé Poussineau]

This fixes Windows NT4 startup when a cdrom is inserted.

Fixes: 9ef2e93f9b1888c7d0deb4a105149138e6ad2e98
Signed-off-by: Hervé Poussineau <address@hidden>
---
 hw/ide/atapi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/ide/atapi.c b/hw/ide/atapi.c
index 6189675..63312f2 100644
--- a/hw/ide/atapi.c
+++ b/hw/ide/atapi.c
@@ -1289,7 +1289,7 @@ static const struct AtapiCmd {
     [ 0xad ] = { cmd_read_dvd_structure,            CHECK_READY },
     [ 0xbb ] = { cmd_set_speed,                     NONDATA },
     [ 0xbd ] = { cmd_mechanism_status,              0 },
-    [ 0xbe ] = { cmd_read_cd,                       CHECK_READY },
+    [ 0xbe ] = { cmd_read_cd,                       CHECK_READY | NONDATA },
     /* [1] handler detects and reports not ready condition itself */
 };
 
-- 
2.1.4