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From: "Zhang, Jerry (Junwei)" <Jerry.Zhang-5C7GfCeVMHo@public.gmane.org>
To: "Christian König"
	<ckoenig.leichtzumerken-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: Re: [PATCH libdrm] amdgpu: fix off by one in handle_table_insert
Date: Thu, 16 Aug 2018 08:50:48 +0800	[thread overview]
Message-ID: <5B74CA68.3040401@amd.com> (raw)
In-Reply-To: <20180815112555.3240-1-christian.koenig-5C7GfCeVMHo@public.gmane.org>

On 08/15/2018 07:25 PM, Christian König wrote:
> Stupid me, max_key must always be larger than key.
>
> Signed-off-by: Christian König <christian.koenig@amd.com>

Good catch
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>

> ---
>   amdgpu/handle_table.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/amdgpu/handle_table.c b/amdgpu/handle_table.c
> index 15cd4763..4fdd29d3 100644
> --- a/amdgpu/handle_table.c
> +++ b/amdgpu/handle_table.c
> @@ -33,7 +33,7 @@ drm_private int handle_table_insert(struct handle_table *table, uint32_t key,
>   {
>   	if (key >= table->max_key) {
>   		uint32_t alignment = sysconf(_SC_PAGESIZE) / sizeof(void*);
> -		uint32_t max_key = ALIGN(key, alignment);
> +		uint32_t max_key = ALIGN(key + 1, alignment);
>   		void **values;
>
>   		values = realloc(table->values, max_key * sizeof(void *));
>
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      parent reply	other threads:[~2018-08-16  0:50 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-15 11:25 [PATCH libdrm] amdgpu: fix off by one in handle_table_insert Christian König
     [not found] ` <20180815112555.3240-1-christian.koenig-5C7GfCeVMHo@public.gmane.org>
2018-08-15 13:58   ` Michel Dänzer
2018-08-16  0:50   ` Zhang, Jerry (Junwei) [this message]

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