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malloc_simple: Return NULL on malloc failure rather then calling panic()

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All callers of malloc should already do error checking, and may even be able
to continue without the alloc succeeding.

Moreover, common/malloc_simple.c is the only user of .rodata.str1.1 in
common/built-in.o when building the SPL, triggering this gcc bug:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54303

Causing .rodata to grow with e.g. 0xc21 bytes, nullifying all benefits of
using malloc_simple in the first place.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Hans de Goede 2015-02-04 13:05:50 +01:00 committed by Simon Glass
parent a3e757a5d2
commit 2c8571703a
1 changed files with 1 additions and 1 deletions
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2
common/malloc_simple.c
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@ -19,7 +19,7 @@ void *malloc_simple(size_t bytes)
new_ptr = gd->malloc_ptr + bytes;
if (new_ptr > gd->malloc_limit)
panic("Out of pre-reloc memory");
return NULL;
ptr = map_sysmem(gd->malloc_base + gd->malloc_ptr, bytes);
gd->malloc_ptr = ALIGN(new_ptr, sizeof(new_ptr));
return ptr;