KVM: selftests: Use continue to handle all "pass" scenarios in dirty_log_test

When verifying pages in dirty_log_test, immediately continue on all "pass"
scenarios to make the logic consistent in how it handles pass vs. fail.

No functional change intended.

Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20250111003004.1235645-13-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

Author: sean-jc

tools/testing/selftests/kvm/dirty_log_test.c

@@ -510,18 +510,17 @@ static void vm_dirty_log_verify(enum vm_guest_mode mode, unsigned long *bmap)
 		}
 
 		if (__test_and_clear_bit_le(page, bmap)) {
-			bool matched;
-
 			nr_dirty_pages++;
 
 			/*
 			 * If the bit is set, the value written onto
 			 * the corresponding page should be either the
 			 * previous iteration number or the current one.
 			 */
-			matched = (val == iteration || val == iteration - 1);
+			if (val == iteration || val == iteration - 1)
+				continue;
 
-			if (host_log_mode == LOG_MODE_DIRTY_RING && !matched) {
+			if (host_log_mode == LOG_MODE_DIRTY_RING) {
 				if (val == iteration - 2 && min_iter <= iteration - 2) {
 					/*
 					 * Short answer: this case is special
@@ -567,10 +566,8 @@ static void vm_dirty_log_verify(enum vm_guest_mode mode, unsigned long *bmap)
 				}
 			}
 
-			TEST_ASSERT(matched,
-				    "Set page %"PRIu64" value %"PRIu64
-				    " incorrect (iteration=%"PRIu64")",
-				    page, val, iteration);
+			TEST_FAIL("Dirty page %lu value (%lu) != iteration (%lu)",
+				  page, val, iteration);
 		} else {
 			nr_clean_pages++;
 			/*