[U-Boot] [PATCH v4 1/2] dlmalloc: fix malloc range at end of ram

[Simon Glass]

On Mon, 1 Apr 2019 at 14:01, Simon Goldschmidt
<simon.k.r.goldschmidt at gmail.com> wrote:
>
> If the malloc range passed to mem_malloc_init() is at the end of address
> range and 'start + size' overflows to 0, following allocations fail as
> mem_malloc_end is zero (which looks like uninitialized).
>
> Fix this by subtracting 1 of 'start + size' overflows to zero.
>
> Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com>
> ---
>
> Changes in v4: None
> Changes in v3: None
>
>  common/dlmalloc.c | 4 ++++
>  1 file changed, 4 insertions(+)

Reviewed-by: Simon Glass <sjg at chromium.org>