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From: John Garry <john.g.garry@oracle.com>
To: linux-modules@vger.kernel.org
Subject: About THIS_MODULE
Date: Fri, 3 Jul 2026 16:33:18 +0100	[thread overview]
Message-ID: <610fc63b-f3dc-4824-99fd-907fc96f3194@oracle.com> (raw)

Hi all,

I have a query which I hope someone can advise on.

I am adding a library API which requires a driver to pass the driver 
module pointer to the API.

So we use THIS_MODULE for that purpose.

However, adding a sanity check in the library to ensure that pointer is 
set is a challenge. Normally we would check that the module pointer is 
non-NULL. However, for a built-in driver module, THIS_MODULE is NULL, so 
rely on the non-NULL check.

Any idea how to deal with this?

Cheers

                 reply	other threads:[~2026-07-03 15:34 UTC|newest]

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