@@ -1178,9 +1179,9 @@ static inline int copy_to_iotlb(const struct vringh *vrh, void *dst,
 				      translated);
 		}
 
-		ret = copy_to_iter(src, translated, &iter);
-		if (ret < 0)
-			return ret;
+		size = copy_to_iter(src, translated, &iter);
+		if (size != translated)
+			return -EFAULT;
 
 		src += translated;
 		dst += translated;
-- 
2.51.0[PATCH 6.17 452/563] vhost: vringh: Fix copy_to_iter return value checkGreg Kroah-Hartman <gregkh@linuxfoundation.org> undefinedstable@vger.kernel.org undefined undefined undefined undefined undefined undefined undefined»?ƒ–x