Re: [PATCH V5 17/21] riscv: compat: vdso: Add setup additional pages implementation

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> @@ -66,35 +68,35 @@ static int vdso_mremap(const struct vm_special_mapping
> *sm, return 0;
>  }
> 
> -static int __init __vdso_init(void)
> +static int __init __vdso_init(struct __vdso_info *vdso_info)
>  {
>  	unsigned int i;
>  	struct page **vdso_pagelist;
>  	unsigned long pfn;
> 
> -	if (memcmp(vdso_info.vdso_code_start, "\177ELF", 4)) {
> +	if (memcmp(vdso_info->vdso_code_start, "\177ELF", 4)) {
>  		pr_err("vDSO is not a valid ELF object!\n");
>  		return -EINVAL;
>  	}
> 

Does anyone actually guarantee that this is at least this 4 bytes long?

Eike
-- 
Rolf Eike Beer, emlix GmbH, https://www.emlix.com
Fon +49 551 30664-0, Fax +49 551 30664-11
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