coverage: fix injection in test_fellow_cache_obj_iter_fina()

src/fellow_cache.c

@@ -5552,18 +5552,15 @@ static void test_fellow_cache_obj_iter_final(
 	VSHA256_Final(h2, &sha256ctx);
 	AZ(memcmp(h1, h2, sizeof *h1));
 
-	injcount = fc_inj_count();
-	DBG("injcount %d", injcount);
-	if (injcount == 0)
-		return;
-
 	fcsc_init(&c, &(*fcop)->seglist);
 	if ((fcs = FCSC_NEXT(&c)) != NULL) {
 		while (fcs->state == FCS_READING || fcs->state == FCS_WRITING)
 			usleep(100);
-		assert(fcs->state == FCS_INCORE);
-		AZ(fcs->refcnt);
-		AN(fcs->fcs_onlru);
+		if (fcs->state != FCS_DISK) {
+			assert(fcs->state == FCS_INCORE);
+			AZ(fcs->refcnt);
+			AN(fcs->fcs_onlru);
+		}
 	} else
 		WRONG("no seg");
 	fellow_cache_obj_slim(fc, *fcop);
@@ -5575,8 +5572,13 @@ static void test_fellow_cache_obj_iter_final(
 		(void) fellow_cache_obj_deref(fc, *fcop);
 	*fcop = NULL;
 
+	fc_inj_reset();
+	injcount = -1;
 	AN(injcount);
 	while (injcount) {
+		DBG("injcount %d", injcount);
+
+		fc_inj_set(0);
 		toc = ocmem;
 		fcr = fellow_cache_obj_get(fc, &toc, priv2, 0);
 		assert(fcr.status == fcr_ok);
@@ -5586,9 +5588,12 @@ static void test_fellow_cache_obj_iter_final(
 		VSHA256_Init(&sha256ctx);
 		fcr = fellow_cache_obj_iter(fc, fco, &sha256ctx,
 		    iter_sha256, 0);
-		assert (fcr.status != fcr_ok);
-		DBG("inj %d err %s", injcount, fcr.r.err);
-		injcount--;
+
+		if (fcr.status == fcr_ok) {
+			assert(injcount == -1);
+			injcount = fc_inj_count();
+		} else
+			injcount--;
 
 		assert(FCO_REFCNT(fco) == 1);
 		fellow_cache_obj_deref(fc, fco);