malloc_simple: fix malloc_ptr calculation

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>

diff --git a/common/malloc_simple.c b/common/malloc_simple.c
index 134e059..c745863 100644 (file)
--- 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);