diff options
Diffstat (limited to 'net/core/rtnetlink.c')
| -rw-r--r-- | net/core/rtnetlink.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index c894c4af8981..2715f8d21517 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -3857,7 +3857,6 @@ static int valid_fdb_dump_legacy(const struct nlmsghdr *nlh, int *br_idx, int *brport_idx, struct netlink_ext_ack *extack) { - struct ifinfomsg *ifm = nlmsg_data(nlh); struct nlattr *tb[IFLA_MAX+1]; int err; @@ -3871,6 +3870,8 @@ static int valid_fdb_dump_legacy(const struct nlmsghdr *nlh, if (nlmsg_len(nlh) != sizeof(struct ndmsg) && (nlmsg_len(nlh) != sizeof(struct ndmsg) + nla_attr_size(sizeof(u32)))) { + struct ifinfomsg *ifm; + err = nlmsg_parse(nlh, sizeof(struct ifinfomsg), tb, IFLA_MAX, ifla_policy, extack); if (err < 0) { @@ -3880,6 +3881,7 @@ static int valid_fdb_dump_legacy(const struct nlmsghdr *nlh, *br_idx = nla_get_u32(tb[IFLA_MASTER]); } + ifm = nlmsg_data(nlh); *brport_idx = ifm->ifi_index; } return 0; |