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From: Stefan Hajnoczi <stefanha@gmail.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [RFC PATCH v2 09/13] scsi: introduce the scsi-target device
Date: Tue, 7 Jun 2011 09:09:54 +0100	[thread overview]
Message-ID: <20110607080954.GA10063@stefanha-thinkpad.localdomain> (raw)
In-Reply-To: <1307376262-1255-10-git-send-email-pbonzini@redhat.com>

On Mon, Jun 06, 2011 at 06:04:18PM +0200, Paolo Bonzini wrote:
> +static SCSIRequest *scsi_new_request(SCSIDevice *d, DeviceState *initiator,
> +				     uint32_t tag, uint32_t lun)
> +{
> +    SCSITargetState *s = DO_UPCAST(SCSITargetState, qdev, d);
> +    SCSIRequest *req;
> +    SCSITargetReq *r;
> +
> +    req = scsi_req_alloc(sizeof(SCSITargetReq), &s->qdev, initiator, tag, lun);
> +    r = DO_UPCAST(SCSITargetReq, req, req);

r not needed

> +    return req;
> +}
> +
> +static void scsi_free_request(SCSIRequest *req)
> +{
> +    SCSITargetReq *r = DO_UPCAST(SCSITargetReq, req, req);
> +
> +    if (r->p_buf) {
> +        qemu_free(r->p_buf);
> +    }

qemu_free(NULL) is a nop, no need to check NULL

Stefan

  reply	other threads:[~2011-06-07  8:10 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-06 16:04 [Qemu-devel] [RFC PATCH v2 00/13] support hierarchical LUNs Paolo Bonzini
2011-06-06 16:04 ` [Qemu-devel] [RFC PATCH v2 01/13] scsi: cleanup reset and destroy callbacks Paolo Bonzini
2011-06-06 16:04 ` [Qemu-devel] [RFC PATCH v2 02/13] scsi: support parsing of SAM logical unit numbers Paolo Bonzini
2011-06-06 16:04 ` [Qemu-devel] [RFC PATCH v2 03/13] scsi: add initiator field to SCSIRequest Paolo Bonzini
2011-06-06 16:04 ` [Qemu-devel] [RFC PATCH v2 04/13] scsi: let a SCSIDevice have children devices Paolo Bonzini
2011-06-06 16:04 ` [Qemu-devel] [RFC PATCH v2 05/13] scsi: let the bus pick a LUN for the child device Paolo Bonzini
2011-06-06 16:04 ` [Qemu-devel] [RFC PATCH v2 06/13] scsi-generic: fix passthrough of devices with LUN != 0 Paolo Bonzini
2011-06-06 16:04 ` [Qemu-devel] [RFC PATCH v2 07/13] scsi: add walking of hierarchical LUNs Paolo Bonzini
2011-06-06 16:04 ` [Qemu-devel] [RFC PATCH v2 08/13] scsi: introduce the scsi-path device Paolo Bonzini
2011-06-06 16:04 ` [Qemu-devel] [RFC PATCH v2 09/13] scsi: introduce the scsi-target device Paolo Bonzini
2011-06-07  8:09   ` Stefan Hajnoczi [this message]
2011-06-06 16:04 ` [Qemu-devel] [RFC PATCH v2 10/13] scsi: include bus and device levels Paolo Bonzini
2011-06-06 16:04 ` [Qemu-devel] [RFC PATCH v2 11/13] qdev: introduce automatic creation of buses Paolo Bonzini
2011-06-06 16:04 ` [Qemu-devel] [RFC PATCH v2 12/13] scsi: create scsi-path and scsi-target devices automatically Paolo Bonzini
2011-06-06 16:04 ` [Qemu-devel] [RFC PATCH v2 13/13] scsi: delete handling of REPORT LUNS and unknown LUNs outside scsi-target Paolo Bonzini

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