From: Alex Deucher <alexdeucher@gmail.com>
To: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: "Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>,
"David Airlie" <airlied@linux.ie>,
"Daniel Vetter" <daniel@ffwll.ch>,
linux-hardening@vger.kernel.org,
"Maling list - DRI developers" <dri-devel@lists.freedesktop.org>,
"amd-gfx list" <amd-gfx@lists.freedesktop.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH][next] amd/amdgpu_ctx: Use struct_size() helper and kmalloc()
Date: Thu, 8 Oct 2020 13:22:39 -0400 [thread overview]
Message-ID: <CADnq5_MHvnkWtEUOG2WTBMaMKJMied3aPDg4ZLy0w+9Vyce_AQ@mail.gmail.com> (raw)
In-Reply-To: <20201008143450.GA23077@embeddedor>
Applied. Thanks!
Alex
On Thu, Oct 8, 2020 at 10:29 AM Gustavo A. R. Silva
<gustavoars@kernel.org> wrote:
>
> Make use of the new struct_size() helper instead of the offsetof() idiom.
> Also, use kmalloc() instead of kcalloc().
>
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> index c80d8339f58c..5be125f3b92a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> @@ -100,7 +100,7 @@ static int amdgpu_ctx_init_entity(struct amdgpu_ctx *ctx, u32 hw_ip,
> enum drm_sched_priority priority;
> int r;
>
> - entity = kcalloc(1, offsetof(typeof(*entity), fences[amdgpu_sched_jobs]),
> + entity = kmalloc(struct_size(entity, fences, amdgpu_sched_jobs),
> GFP_KERNEL);
> if (!entity)
> return -ENOMEM;
> --
> 2.27.0
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2020-10-08 17:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-08 14:34 [PATCH][next] amd/amdgpu_ctx: Use struct_size() helper and kmalloc() Gustavo A. R. Silva
2020-10-08 17:22 ` Alex Deucher [this message]
2020-10-09 7:08 ` Christian König
2020-10-09 13:54 ` Gustavo A. R. Silva
2020-10-09 14:29 ` Christian König
2020-10-09 14:39 ` Gustavo A. R. Silva
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