If one equals end, it means we have gone through the whole bitmap. Use a more restrict check to skip a unnecessary condition.
Signed-off-by: Wei Yang <richardw.y...@linux.intel.com> --- migration/ram.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/migration/ram.c b/migration/ram.c index 908517fc2b..b78169e811 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -2777,7 +2777,7 @@ static int postcopy_send_discard_bm_ram(MigrationState *ms, for (current = 0; current < end; ) { unsigned long one = find_next_bit(unsentmap, end, current); - if (one <= end) { + if (one < end) { unsigned long zero = find_next_zero_bit(unsentmap, end, one + 1); unsigned long discard_length; -- 2.19.1