vme: fake: remove unexpected unlock in fake_master_set()

image->lock is unlocked in some error handling path without take the
lock, so remove those unexpected unlock.

Fixes: 658bcdae9c67 ("vme: Adding Fake VME driver")
Signed-off-by: Wei Yongjun <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/vme/bridges/vme_fake.c

···
 	}
 
 	if (size & 0xFFFF) {
-		spin_unlock(&image->lock);
 		pr_err("Invalid size alignment\n");
 		retval = -EINVAL;
 		goto err_window;
···
 	case VME_D32:
 		break;
 	default:
-		spin_unlock(&image->lock);
 		pr_err("Invalid data width\n");
 		retval = -EINVAL;
 		goto err_dwidth;
···
 	case VME_USER4:
 		break;
 	default:
-		spin_unlock(&image->lock);
 		pr_err("Invalid address space\n");
 		retval = -EINVAL;
 		goto err_aspace;