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boot, efi: Remove redundant memset() 

Remove a redundant memset() call from efi_relocate_kernel() that
was clearing memory that would be used by BSS in non-compressed
images loaded with this function.  This clear was redundant with
the clearing done in the image itself, and also implemented incorrectly
with a 0 length.

Signed-off-by: Roy Franz <roy.franz@linaro.org>
Acked-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
This commit is contained in:
Roy Franz 2013-10-04 09:02:46 -07:00 committed by Matt Fleming
parent 722da9d20e
commit c158c3bf59
1 changed files with 0 additions and 2 deletions
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2
drivers/firmware/efi/efi-stub-helper.c
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@ -567,8 +567,6 @@ static efi_status_t efi_relocate_kernel(efi_system_table_t *sys_table_arg,
* have been allocated by UEFI, so we can safely use memcpy. * have been allocated by UEFI, so we can safely use memcpy.
*/ */
memcpy((void *)new_addr, (void *)cur_image_addr, image_size); memcpy((void *)new_addr, (void *)cur_image_addr, image_size);
/* Zero any extra space we may have allocated for BSS. */
memset((void *)(new_addr + image_size), alloc_size - image_size, 0);
/* Return the new address of the relocated image. */ /* Return the new address of the relocated image. */
*image_addr = new_addr; *image_addr = new_addr;