diff --git a/include/net/netlink.h b/include/net/netlink.h
index 1c11518fc8228fc6a30f24789eee8b80530e3d85..2e4c90a98a7f6293b94d907459082f77be9fb678 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -171,6 +171,7 @@ enum {
 	NLA_MSECS,
 	NLA_NESTED,
 	NLA_NUL_STRING,
+	NLA_BINARY,
 	__NLA_TYPE_MAX,
 };
 
@@ -188,12 +189,13 @@ enum {
  *    NLA_STRING           Maximum length of string
  *    NLA_NUL_STRING       Maximum length of string (excluding NUL)
  *    NLA_FLAG             Unused
+ *    NLA_BINARY           Maximum length of attribute payload
  *    All other            Exact length of attribute payload
  *
  * Example:
  * static struct nla_policy my_policy[ATTR_MAX+1] __read_mostly = {
  * 	[ATTR_FOO] = { .type = NLA_U16 },
- *	[ATTR_BAR] = { .type = NLA_STRING, len = BARSIZ },
+ *	[ATTR_BAR] = { .type = NLA_STRING, .len = BARSIZ },
  *	[ATTR_BAZ] = { .len = sizeof(struct mystruct) },
  * };
  */
diff --git a/net/netlink/attr.c b/net/netlink/attr.c
index 004139557e09507f01969754cc779002e1fcfbc9..df5f820a4c325be1547b778031b1f9bfcd159ca7 100644
--- a/net/netlink/attr.c
+++ b/net/netlink/attr.c
@@ -67,6 +67,11 @@ static int validate_nla(struct nlattr *nla, int maxtype,
 		}
 		break;
 
+	case NLA_BINARY:
+		if (pt->len && attrlen > pt->len)
+			return -ERANGE;
+		break;
+
 	default:
 		if (pt->len)
 			minlen = pt->len;