[U-Boot] [PATCH] malloc_simple: fix malloc_ptr calculation

Hans de Goede hdegoede at redhat.com
Sun Sep 13 12:24:20 CEST 2015


Hi,

On 08-09-15 12:41, Philipp Rosenberger wrote:
> The gd->malloc_ptr and the gd->malloc_limit are offsets to gd->malloc_base.
> But the addr variable contains the absolute address. The new_ptr must be:
> addr + bytes - gd->malloc_base.
>
> Signed-off-by: Philipp Rosenberger <ilu at linutronix.de>

You're right, good catch:

Reviewed-by: Hans de Goede <hdegoede at redhat.com>

Regards,

Hans


> ---
>   common/malloc_simple.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/common/malloc_simple.c b/common/malloc_simple.c
> index 134e059..c745863 100644
> --- a/common/malloc_simple.c
> +++ b/common/malloc_simple.c
> @@ -32,7 +32,7 @@ void *memalign_simple(size_t align, size_t bytes)
>   	void *ptr;
>
>   	addr = ALIGN(gd->malloc_base + gd->malloc_ptr, align);
> -	new_ptr = addr + bytes;
> +	new_ptr = addr + bytes - gd->malloc_base;
>   	if (new_ptr > gd->malloc_limit)
>   		return NULL;
>   	ptr = map_sysmem(addr, bytes);
>


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