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scsi-disk: catch write protection errors in UNMAP 

This is the same that is already done for WRITE SAME.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-11-22 13:39:59 +01:00 committed by Stefan Hajnoczi
parent e18d90c15b
commit c5fd1fb038
1 changed files with 6 additions and 0 deletions
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6
hw/scsi/scsi-disk.c
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@ -1543,6 +1543,7 @@ done:
static void scsi_disk_emulate_unmap(SCSIDiskReq *r, uint8_t *inbuf)
{
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
uint8_t *p = inbuf;
int len = r->req.cmd.xfer;
UnmapCBData *data;
@ -1560,6 +1561,11 @@ static void scsi_disk_emulate_unmap(SCSIDiskReq *r, uint8_t *inbuf)
goto invalid_param_len;
}
if (bdrv_is_read_only(s->qdev.conf.bs)) {
scsi_check_condition(r, SENSE_CODE(WRITE_PROTECTED));
return;
}
data = g_new0(UnmapCBData, 1);
data->r = r;
data->inbuf = &p[8];