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Date:   Sat, 6 Apr 2019 11:20:45 -0400
From:   Scott Bauer <>
To:     David Kozub <>
Cc:     Jens Axboe <>,
        Jonathan Derrick <>,,,
        Jonas Rabenstein <>
Subject: Re: [PATCH 14/16] block: sed-opal: pass steps via argument rather
 than via opal_dev

On Thu, Feb 14, 2019 at 01:16:06AM +0100, David Kozub wrote:
> The steps argument is only read by the next function, so it can
> be passed directly as an argument rather than via opal_dev.
> Normally, the steps is an array on the stack, so the pointer stops
> being valid then the function that set opal_dev.steps returns.
> If opal_dev.steps was not set to NULL before return it would become
> a dangling pointer. When the steps are passed as argument this
> becomes easier to see and more difficult to misuse.
> Signed-off-by: David Kozub <>
Reviewed-by: Scott Bauer <>

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