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Merge remote-tracking branch 'mkp-scsi/4.10/scsi-fixes' into fixes

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This commit is contained in:
James Bottomley 2017-01-27 17:15:31 -08:00
commit 6f3e71c0c3
1 changed files with 10 additions and 1 deletions
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11
drivers/scsi/virtio_scsi.c
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@ -534,7 +534,9 @@ static int virtscsi_queuecommand(struct virtio_scsi *vscsi,
{
struct Scsi_Host *shost = virtio_scsi_host(vscsi->vdev);
struct virtio_scsi_cmd *cmd = scsi_cmd_priv(sc);
unsigned long flags;
int req_size;
int ret;
BUG_ON(scsi_sg_count(sc) > shost->sg_tablesize);
@ -562,8 +564,15 @@ static int virtscsi_queuecommand(struct virtio_scsi *vscsi,
req_size = sizeof(cmd->req.cmd);
}
if (virtscsi_kick_cmd(req_vq, cmd, req_size, sizeof(cmd->resp.cmd)) != 0)
ret = virtscsi_kick_cmd(req_vq, cmd, req_size, sizeof(cmd->resp.cmd));
if (ret == -EIO) {
cmd->resp.cmd.response = VIRTIO_SCSI_S_BAD_TARGET;
spin_lock_irqsave(&req_vq->vq_lock, flags);
virtscsi_complete_cmd(vscsi, cmd);
spin_unlock_irqrestore(&req_vq->vq_lock, flags);
} else if (ret != 0) {
return SCSI_MLQUEUE_HOST_BUSY;
}
return 0;
}