Since the start addr is already checked, to make sure the range is
aligned, checking the length is enough.
Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <
20190712032704.7826-1-richardw.yang@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
if ((start + length) <= rb->used_length) {
bool need_madvise, need_fallocate;
- uint8_t *host_endaddr = host_startaddr + length;
- if ((uintptr_t)host_endaddr & (rb->page_size - 1)) {
- error_report("ram_block_discard_range: Unaligned end address: %p",
- host_endaddr);
+ if (length & (rb->page_size - 1)) {
+ error_report("ram_block_discard_range: Unaligned length: %zx",
+ length);
goto err;
}