linux-kernel - Re: [PATCH] scsi: Let scsi_execute_cmd() mark args->sshdr as invalid

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Message-ID: <1d364245-f2ed-0354-702b-0ac745ef3e96@acm.org>
Date:   Thu, 11 May 2023 05:49:59 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Juergen Gross <jgross@...e.com>, linux-kernel@...r.kernel.org,
        linux-scsi@...r.kernel.org
Cc:     "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        stable@...r.kernel.org
Subject: Re: [PATCH] scsi: Let scsi_execute_cmd() mark args->sshdr as invalid

On 5/11/23 05:34, Juergen Gross wrote:
> Some callers of scsi_execute_cmd() (like e.g. sd_spinup_disk()) are
> passing an uninitialized struct sshdr and don't look at the return
> value of scsi_execute_cmd() before looking at the contents of that
> struct.

Shouldn't the scsi_execute_cmd() callers be fixed instead of modifying 
scsi_execute_cmd(), e.g. by zero-initializing the sshdr structure?

Thanks,

Bart.