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authorDaniel Borkmann <daniel@iogearbox.net>2016-11-26 01:28:05 +0100
committerDavid S. Miller <davem@davemloft.net>2016-11-28 02:38:47 +0100
commit55556dd59dfc49e9429b058cf7138a6726c949c7 (patch)
tree784d370370a3bef0d496a589d74c35d6c5e189f1 /net/sched/act_bpf.c
parentbpf: drop unnecessary context cast from BPF_PROG_RUN (diff)
downloadlinux-55556dd59dfc49e9429b058cf7138a6726c949c7.tar.xz
linux-55556dd59dfc49e9429b058cf7138a6726c949c7.zip
bpf: drop useless bpf_fd member from cls/act
After setup we don't need to keep user space fd number around anymore, as it also has no useful meaning for anyone, just remove it. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/act_bpf.c')
-rw-r--r--net/sched/act_bpf.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c
index 1aa4ecf41baf..84c1d2da4f8b 100644
--- a/net/sched/act_bpf.c
+++ b/net/sched/act_bpf.c
@@ -28,7 +28,6 @@ struct tcf_bpf_cfg {
struct bpf_prog *filter;
struct sock_filter *bpf_ops;
const char *bpf_name;
- u32 bpf_fd;
u16 bpf_num_ops;
bool is_ebpf;
};
@@ -118,9 +117,6 @@ static int tcf_bpf_dump_bpf_info(const struct tcf_bpf *prog,
static int tcf_bpf_dump_ebpf_info(const struct tcf_bpf *prog,
struct sk_buff *skb)
{
- if (nla_put_u32(skb, TCA_ACT_BPF_FD, prog->bpf_fd))
- return -EMSGSIZE;
-
if (prog->bpf_name &&
nla_put_string(skb, TCA_ACT_BPF_NAME, prog->bpf_name))
return -EMSGSIZE;
@@ -233,7 +229,6 @@ static int tcf_bpf_init_from_efd(struct nlattr **tb, struct tcf_bpf_cfg *cfg)
}
}
- cfg->bpf_fd = bpf_fd;
cfg->bpf_name = name;
cfg->filter = fp;
cfg->is_ebpf = true;
@@ -332,8 +327,6 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla,
if (cfg.bpf_num_ops)
prog->bpf_num_ops = cfg.bpf_num_ops;
- if (cfg.bpf_fd)
- prog->bpf_fd = cfg.bpf_fd;
prog->tcf_action = parm->action;
rcu_assign_pointer(prog->filter, cfg.filter);