diff mbox

[v5,1/4] fdc: fix implied seek while there is no media in drive

Message ID bfa78d3911b3200d973b59984ddad9ab56e0d385.1339593749.git.phrdina@redhat.com
State New
Headers show

Commit Message

Pavel Hrdina June 13, 2012, 1:43 p.m. UTC 
The Windows uses 'READ' command at the start of an instalation
without checking the 'dir' register. We have to abort the transfer
with an abnormal termination if there is no media in the drive.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
---
 hw/fdc.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
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Patch

diff --git a/hw/fdc.c b/hw/fdc.c
index 30d34e3..be35201 100644
--- a/hw/fdc.c
+++ b/hw/fdc.c
@@ -159,6 +159,10 @@  static int fd_seek(FDrive *drv, uint8_t head, uint8_t track, uint8_t sect,
         drv->sect = sect;
     }
 
+    if (drv->bs == NULL || !bdrv_is_inserted(drv->bs)) {
+        ret = 2;
+    }
+
     return ret;
 }