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scsi-generic: Handle canceled request in scsi_command_complete

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Now that we always called the cb in bdrv_aio_cancel, let's make scsi-generic
callbacks check io_canceled flag similarly to scsi-disk.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Fam Zheng 2014-09-24 16:27:53 +08:00 committed by Paolo Bonzini
parent eda470e41a
commit 6c25fa6cf8
1 changed files with 6 additions and 4 deletions
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10
hw/scsi/scsi-generic.c
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@ -93,6 +93,9 @@ static void scsi_command_complete(void *opaque, int ret)
SCSIGenericReq *r = (SCSIGenericReq *)opaque;
r->req.aiocb = NULL;
if (r->req.io_canceled) {
goto done;
}
if (r->io_header.driver_status & SG_ERR_DRIVER_SENSE) {
r->req.sense_len = r->io_header.sb_len_wr;
}
@ -133,6 +136,7 @@ static void scsi_command_complete(void *opaque, int ret)
r, r->req.tag, status);
scsi_req_complete(&r->req, status);
done:
if (!r->req.io_canceled) {
scsi_req_unref(&r->req);
}
@ -186,8 +190,7 @@ static void scsi_read_complete(void * opaque, int ret)
int len;
r->req.aiocb = NULL;
if (ret) {
DPRINTF("IO error ret %d\n", ret);
if (ret || r->req.io_canceled) {
scsi_command_complete(r, ret);
return;
}
@ -246,8 +249,7 @@ static void scsi_write_complete(void * opaque, int ret)
DPRINTF("scsi_write_complete() ret = %d\n", ret);
r->req.aiocb = NULL;
if (ret) {
DPRINTF("IO error\n");
if (ret || r->req.io_canceled) {
scsi_command_complete(r, ret);
return;
}