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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Oct 09, 2022 at 07:40:44PM +0200, Hans J. Schultz wrote: > diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c > index 74864dc46a7e..8008ceb45605 100644 > --- a/net/core/rtnetlink.c > +++ b/net/core/rtnetlink.c > @@ -4035,6 +4035,7 @@ int ndo_dflt_fdb_add(struct ndmsg *ndm, > const unsigned char *addr, u16 vid, > u16 flags) > { > + __u32 ext_flags = 0; > int err = -EINVAL; > > /* If aging addresses are supported device will need to > @@ -4050,6 +4051,14 @@ int ndo_dflt_fdb_add(struct ndmsg *ndm, > return err; > } > > + if (tb[NDA_FLAGS_EXT]) > + ext_flags = nla_get_u32(tb[NDA_FLAGS_EXT]); > + > + if (ext_flags & NTF_EXT_LOCKED) { > + netdev_info(dev, "invalid flags given to default FDB implementation\n"); > + return err; > + } I'm not sure it makes sense to deny specific flags in this case. It might be better to just error out if NDA_FLAGS_EXT was specified. > + > if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr)) > err = dev_uc_add_excl(dev, addr); > else if (is_multicast_ether_addr(addr)) > -- > 2.34.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel