Re: [PATCH v5 2/3] virtio-scsi: add error handling

[Paolo Bonzini]

Il 19/03/2012 10:55, Hu Tao ha scritto:
> +	int ret = FAILED;
>  
>  	cmd->comp = ∁
>  	ret = virtscsi_kick_cmd(vscsi, vscsi->ctrl_vq, cmd,
>  			       sizeof cmd->req.tmf, sizeof cmd->resp.tmf,
>  			       GFP_NOIO);
>  	if (ret < 0)
> -		return FAILED;
> +		goto failed;

This will return the errno, not FAILED.

I have already fixed this up locally, though I've been lazy on actually
sending out the fix.  I'll do this today.

Paolo

>  	wait_for_completion(&comp);
> -	if (cmd->resp.tmf.response != VIRTIO_SCSI_S_OK &&
> -	    cmd->resp.tmf.response != VIRTIO_SCSI_S_FUNCTION_SUCCEEDED)
> -		return FAILED;
> +	if (cmd->resp.tmf.response == VIRTIO_SCSI_S_OK ||
> +	    cmd->resp.tmf.response == VIRTIO_SCSI_S_FUNCTION_SUCCEEDED)
> +		ret = SUCCESS;
>  
> -	return SUCCESS;
> +failed:
> +	mempool_free(cmd, virtscsi_cmd_pool);
> +	return ret;

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