linux-kernel - Re: [patch] drm/vc4: Return -EFAULT on copy_from

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Date:	Sun, 13 Mar 2016 17:10:45 -0700
From:	Eric Anholt <eric@...olt.net>
To:	Dan Carpenter <dan.carpenter@...cle.com>,
	David Airlie <airlied@...ux.ie>
Cc:	"Luis R. Rodriguez" <mcgrof@...e.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Andrew Morton <akpm@...ux-foundation.org>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [patch] drm/vc4: Return -EFAULT on copy_from_user() failure

Dan Carpenter <dan.carpenter@...cle.com> writes:

> The copy_from_user() function returns the number of bytes not copied but
> we want to return a negative error code.
>
> Fixes: 463873d57014 ('drm/vc4: Add an API for creating GPU shaders in GEM BOs.')
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

Pulled.  Thanks!

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