From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: YueHaibing <yuehaibing@huawei.com>
Cc: matthew@wil.cx, hare@suse.com, jejb@linux.vnet.ibm.com,
martin.petersen@oracle.com, linux-kernel@vger.kernel.org,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH -next] advansys: use correct srb_tag in adv_isr_callback
Date: Tue, 16 Oct 2018 21:34:00 -0400 [thread overview]
Message-ID: <yq1murdpd9z.fsf@oracle.com> (raw)
In-Reply-To: <20180926114107.13532-1-yuehaibing@huawei.com> (yuehaibing@huawei.com's message of "Wed, 26 Sep 2018 19:41:07 +0800")
Hi Yue Haibing,
> srb_tag = le32_to_cpu(scsiqp->srb_tag);
> - scp = scsi_host_find_tag(boardp->shost, scsiqp->srb_tag);
> + scp = scsi_host_find_tag(boardp->shost, srb_tag);
Maybe I'm missing something, but I don't see where in the code
scsiqp->srb_tag is being converted to le32. srb_tag is beyond the memory
accessed by the controller and thus wouldn't need to be little endian.
--
Martin K. Petersen Oracle Linux Engineering
WARNING: multiple messages have this Message-ID (diff)
From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: YueHaibing <yuehaibing@huawei.com>
Cc: <matthew@wil.cx>, <hare@suse.com>, <jejb@linux.vnet.ibm.com>,
<martin.petersen@oracle.com>, <linux-kernel@vger.kernel.org>,
<linux-scsi@vger.kernel.org>
Subject: Re: [PATCH -next] advansys: use correct srb_tag in adv_isr_callback
Date: Tue, 16 Oct 2018 21:34:00 -0400 [thread overview]
Message-ID: <yq1murdpd9z.fsf@oracle.com> (raw)
In-Reply-To: <20180926114107.13532-1-yuehaibing@huawei.com> (yuehaibing@huawei.com's message of "Wed, 26 Sep 2018 19:41:07 +0800")
Hi Yue Haibing,
> srb_tag = le32_to_cpu(scsiqp->srb_tag);
> - scp = scsi_host_find_tag(boardp->shost, scsiqp->srb_tag);
> + scp = scsi_host_find_tag(boardp->shost, srb_tag);
Maybe I'm missing something, but I don't see where in the code
scsiqp->srb_tag is being converted to le32. srb_tag is beyond the memory
accessed by the controller and thus wouldn't need to be little endian.
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2018-10-17 1:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-26 11:41 [PATCH -next] advansys: use correct srb_tag in adv_isr_callback YueHaibing
2018-09-26 11:41 ` YueHaibing
2018-10-17 1:34 ` Martin K. Petersen [this message]
2018-10-17 1:34 ` Martin K. Petersen
2018-10-17 12:03 ` YueHaibing
2018-10-17 12:03 ` YueHaibing
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