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authorMartin KaFai Lau <kafai@fb.com>2020-02-26 02:04:15 +0300
committerAlexei Starovoitov <ast@kernel.org>2020-02-28 05:50:19 +0300
commit0df6d32842b9a5f97a29ea90c8adc5cfac38341d (patch)
treed9b50a11f25fb4c0f30505eed7cffae73879862b /net/dccp
parent5682d393b40e1fe7426a7b8c3471f05262f42010 (diff)
downloadlinux-0df6d32842b9a5f97a29ea90c8adc5cfac38341d.tar.xz
inet_diag: Move the INET_DIAG_REQ_BYTECODE nlattr to cb->data
The INET_DIAG_REQ_BYTECODE nlattr is currently re-found every time when the "dump()" is re-started. In a latter patch, it will also need to parse the new INET_DIAG_REQ_SK_BPF_STORAGES nlattr to learn the map_fds. Thus, this patch takes this chance to store the parsed nlattr in cb->data during the "start" time of a dump. By doing this, the "bc" argument also becomes unnecessary and is removed. Also, the two copies of the INET_DIAG_REQ_BYTECODE parsing-audit logic between compat/current version can be consolidated to one. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20200225230415.1975555-1-kafai@fb.com
Diffstat (limited to 'net/dccp')
-rw-r--r--net/dccp/diag.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/dccp/diag.c b/net/dccp/diag.c
index 8f1e2a653f6d..8a82c5a2c5a8 100644
--- a/net/dccp/diag.c
+++ b/net/dccp/diag.c
@@ -46,9 +46,9 @@ static void dccp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
}
static void dccp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
- const struct inet_diag_req_v2 *r, struct nlattr *bc)
+ const struct inet_diag_req_v2 *r)
{
- inet_diag_dump_icsk(&dccp_hashinfo, skb, cb, r, bc);
+ inet_diag_dump_icsk(&dccp_hashinfo, skb, cb, r);
}
static int dccp_diag_dump_one(struct netlink_callback *cb,