From: eric@anholt.net (Eric Anholt)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3] firmware: raspberrypi: Fix firmware calls with large buffers
Date: Fri, 16 Nov 2018 13:26:12 -0800 [thread overview]
Message-ID: <877ehcd897.fsf@anholt.net> (raw)
In-Reply-To: <20181116143907.6149-1-james.hughes@raspberrypi.org>
James Hughes <james.hughes@raspberrypi.org> writes:
> Commit a1547e0bca51 ("firmware: raspberrypi: Remove VLA usage")
> moved away from VLA's to a fixed maximum size for mailbox data.
> However, some mailbox calls use larger data buffers
> than the maximum allowed in that change. This fix therefor
> moves from using fixed buffers to kmalloc to ensure all sizes
> are catered for.
>
> There is some documentation, which is somewhat out of date,
> on the mailbox calls here :
> https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface
>
> Fixes: a1547e0bca51 ("firmware: raspberrypi: Remove VLA usage")
>
> Signed-off-by: James Hughes <james.hughes@raspberrypi.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
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next prev parent reply other threads:[~2018-11-16 21:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-16 14:39 [PATCH v3] firmware: raspberrypi: Fix firmware calls with large buffers James Hughes
2018-11-16 21:26 ` Eric Anholt [this message]
2018-11-18 12:48 ` Stefan Wahren
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