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scsi-disk: Clear aiocb on read completion 

Once the I/O completion callback returned, aiocb will be released by the
controller. So we have to clear the reference not only in
scsi_write_complete, but also in scsi_read_complete. Otherwise we risk
inconsistencies when a reset hits us before the related request is
released.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2010-05-04 14:21:00 +02:00 committed by Anthony Liguori
parent e9447f3571
commit 3e94cb0204
1 changed files with 2 additions and 0 deletions
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2
hw/scsi-disk.c
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@ -125,6 +125,8 @@ static void scsi_read_complete(void * opaque, int ret)
{ {
SCSIDiskReq *r = (SCSIDiskReq *)opaque; SCSIDiskReq *r = (SCSIDiskReq *)opaque;
r->req.aiocb = NULL;
if (ret) { if (ret) {
DPRINTF("IO error\n"); DPRINTF("IO error\n");
r->req.bus->complete(r->req.bus, SCSI_REASON_DATA, r->req.tag, 0); r->req.bus->complete(r->req.bus, SCSI_REASON_DATA, r->req.tag, 0);