crypto: testmgr - add some more preemption points

Call cond_resched() after each fuzz test iteration. This avoids stall
warnings if fuzz_iterations is set very high for testing purposes.

While we're at it, also call cond_resched() after finishing testing each
test vector.

Signed-off-by: Eric Biggers <[e-mail]>
Acked-by: Ard Biesheuvel <[e-mail]>
Signed-off-by: Herbert Xu <[e-mail]>

crypto/testmgr.c

···
 						req, desc, tsgl, hashstate);
 			if (err)
 				return err;
+			cond_resched();
 		}
 	}
 #endif
···
 				    hashstate);
 		if (err)
 			goto out;
+		cond_resched();
 	}
 	err = test_hash_vs_generic_impl(driver, generic_driver, maxkeysize, req,
 					desc, tsgl, hashstate);
···
 						&cfg, req, tsgls);
 			if (err)
 				return err;
+			cond_resched();
 		}
 	}
 #endif
···
 				    tsgls);
 		if (err)
 			return err;
+		cond_resched();
 	}
 	return 0;
 }
···
 						    &cfg, req, tsgls);
 			if (err)
 				return err;
+			cond_resched();
 		}
 	}
 #endif
···
 					tsgls);
 		if (err)
 			return err;
+		cond_resched();
 	}
 	return 0;
 }