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From: Paolo Bonzini <pbonzini@redhat.com>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: [PATCH 1/2] virtio-scsi: fix parsing of hotplug/hot-unplug LUN number
Date: Thu, 26 Jul 2012 11:04:32 +0200	[thread overview]
Message-ID: <50110820.4040403@redhat.com> (raw)
In-Reply-To: <1343292731.3115.17.camel@dabdike>

Il 26/07/2012 10:52, James Bottomley ha scritto:
>> > +static unsigned int virtscsi_get_lun(u8 *lun_bytes)
>> > +{
>> > +	unsigned int lun = (lun_bytes[2] << 8) | lun_bytes[3];
>> > +	return lun & 16383;
>> > +}
>> > +
> Why are you rolling your own incomplete version of scsilun_to_int here?

Because scsilun_to_int does not do the AND, so it would have exactly the
same bug I'm fixing.

Paolo

  reply	other threads:[~2012-07-26  9:04 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-16 16:05 [PATCH 0/2] virtio-scsi event changes for 3.6 Paolo Bonzini
2012-07-16 16:05 ` [PATCH 1/2] virtio-scsi: fix parsing of hotplug/hot-unplug LUN number Paolo Bonzini
2012-07-26  8:52   ` James Bottomley
2012-07-26  9:04     ` Paolo Bonzini [this message]
2012-07-26  9:21       ` James Bottomley
2012-07-26  9:27         ` Paolo Bonzini
2012-07-26  9:41           ` James Bottomley
2012-07-26  9:58             ` Paolo Bonzini
2012-07-26 10:17         ` Bart Van Assche
2012-07-26 10:33           ` James Bottomley
2012-07-26 10:43             ` Paolo Bonzini
2012-07-26 11:31               ` James Bottomley
2012-07-16 16:05 ` [PATCH 2/2] virtio-scsi: support online resizing of disks Paolo Bonzini

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