linux-kernel - Re: [PATCH 1/4] resource: add a not device managed request_free_mem

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Message-ID: <20190820022619.GA23225@lst.de>
Date:   Tue, 20 Aug 2019 04:26:19 +0200
From:   Christoph Hellwig <hch@....de>
To:     Dan Williams <dan.j.williams@...el.com>
Cc:     Christoph Hellwig <hch@....de>, Jason Gunthorpe <jgg@...lanox.com>,
        Bharata B Rao <bharata@...ux.ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux MM <linux-mm@...ck.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-nvdimm <linux-nvdimm@...ts.01.org>,
        Ira Weiny <ira.weiny@...el.com>
Subject: Re: [PATCH 1/4] resource: add a not device managed
 request_free_mem_region variant

On Mon, Aug 19, 2019 at 06:28:30PM -0700, Dan Williams wrote:
> 
> Previously we would loudly crash if someone passed NULL to
> devm_request_free_mem_region(), but now it will silently work and the
> result will leak. Perhaps this wants a:

We'd still instantly crash due to the dev_name dereference, right?