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| author | Jakub Kicinski <kuba@kernel.org> | 2022-08-25 20:09:35 -0700 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2022-08-30 12:20:43 +0200 |
| commit | 4f5059e62921479610de903857857ff82ac7e57f (patch) | |
| tree | 538e3562c5ab93d0c5b94c86a7b9bb5477fa7013 /net/ethtool | |
| parent | 08d1d0e78440aa8670492a01cabea732d4beabf5 (diff) | |
| download | linux-stable-4f5059e62921479610de903857857ff82ac7e57f.tar.gz linux-stable-4f5059e62921479610de903857857ff82ac7e57f.tar.bz2 linux-stable-4f5059e62921479610de903857857ff82ac7e57f.zip | |
ethtool: report missing header via ext_ack in the default handler
The actual presence check for the header is in
ethnl_parse_header_dev_get() but it's a few layers in,
and already has a ton of arguments so let's just pick
the low hanging fruit and check for missing header in
the default request handler.
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/ethtool')
| -rw-r--r-- | net/ethtool/netlink.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c index d5e77f1cbbfa..f4e41a6e0163 100644 --- a/net/ethtool/netlink.c +++ b/net/ethtool/netlink.c @@ -361,6 +361,9 @@ static int ethnl_default_doit(struct sk_buff *skb, struct genl_info *info) ops = ethnl_default_requests[cmd]; if (WARN_ONCE(!ops, "cmd %u has no ethnl_request_ops\n", cmd)) return -EOPNOTSUPP; + if (GENL_REQ_ATTR_CHECK(info, ops->hdr_attr)) + return -EINVAL; + req_info = kzalloc(ops->req_info_size, GFP_KERNEL); if (!req_info) return -ENOMEM; |