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malloc_simple: fix malloc_ptr calculation

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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@linutronix.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Philipp Rosenberger 2015-09-08 12:41:24 +02:00 committed by Tom Rini
parent d9da26ecc6
commit 596380db28
1 changed files with 1 additions and 1 deletions
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2
common/malloc_simple.c
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@ -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);