From: David Ahern <dsahern@gmail.com>
To: "Toke Høiland-Jørgensen" <toke@redhat.com>,
"David Ahern" <dsahern@kernel.org>,
netdev@vger.kernel.org
Cc: davem@davemloft.net, kuba@kernel.org, brouer@redhat.com,
daniel@iogearbox.net, john.fastabend@gmail.com, ast@kernel.org,
kafai@fb.com, songliubraving@fb.com, yhs@fb.com, andriin@fb.com
Subject: Re: [PATCH RFC bpf-next 2/4] bpf: Add support to attach bpf program to a devmap
Date: Fri, 22 May 2020 11:45:20 -0600 [thread overview]
Message-ID: <a08edadc-7ab3-d23a-a8be-0897e2a11c08@gmail.com> (raw)
In-Reply-To: <87imgoj6tt.fsf@toke.dk>
On 5/22/20 10:02 AM, Toke Høiland-Jørgensen wrote:
>> @@ -563,12 +619,23 @@ static struct bpf_dtab_netdev *__dev_map_alloc_node(struct net *net,
>> if (!dev->dev)
>> goto err_out;
>>
>> + if (prog_id) {
>> + prog = bpf_prog_by_id(prog_id);
>> + if (IS_ERR(prog) || prog->type != BPF_PROG_TYPE_XDP ||
>> + prog->expected_attach_type != BPF_XDP_DEVMAP)
>
> If the second or third condition fails here you never bpf_prog_put() the
> prog ref.
>
good catch. Thanks, will fix.
next prev parent reply other threads:[~2020-05-22 17:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-22 1:05 [PATCH RFC bpf-next 0/4] bpf: Add support for XDP programs in DEVMAPs David Ahern
2020-05-22 1:05 ` [PATCH RFC bpf-next 1/4] bpf: Handle 8-byte values in DEVMAP and DEVMAP_HASH David Ahern
2020-05-22 12:08 ` Jesper Dangaard Brouer
2020-05-22 16:04 ` Jesper Dangaard Brouer
2020-05-22 18:11 ` David Ahern
2020-05-22 1:05 ` [PATCH RFC bpf-next 2/4] bpf: Add support to attach bpf program to a devmap David Ahern
2020-05-22 16:02 ` Toke Høiland-Jørgensen
2020-05-22 17:45 ` David Ahern [this message]
2020-05-22 1:05 ` [PATCH RFC bpf-next 3/4] xdp: Add xdp_txq_info to xdp_buff David Ahern
2020-05-22 16:04 ` Toke Høiland-Jørgensen
2020-05-22 17:45 ` David Ahern
2020-05-22 1:05 ` [PATCH RFC bpf-next 4/4] bpftool: Add SEC name for xdp programs attached to device map David Ahern
2020-05-22 11:17 ` [PATCH RFC bpf-next 0/4] bpf: Add support for XDP programs in DEVMAPs Jesper Dangaard Brouer
2020-05-22 15:59 ` Toke Høiland-Jørgensen
2020-05-22 17:46 ` David Ahern
2020-05-25 12:15 ` Toke Høiland-Jørgensen
2020-05-25 12:47 ` Jesper Dangaard Brouer
2020-05-25 12:56 ` Toke Høiland-Jørgensen
2020-05-26 23:36 ` Daniel Borkmann
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=a08edadc-7ab3-d23a-a8be-0897e2a11c08@gmail.com \
--to=dsahern@gmail.com \
--cc=andriin@fb.com \
--cc=ast@kernel.org \
--cc=brouer@redhat.com \
--cc=daniel@iogearbox.net \
--cc=davem@davemloft.net \
--cc=dsahern@kernel.org \
--cc=john.fastabend@gmail.com \
--cc=kafai@fb.com \
--cc=kuba@kernel.org \
--cc=netdev@vger.kernel.org \
--cc=songliubraving@fb.com \
--cc=toke@redhat.com \
--cc=yhs@fb.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.