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authorMartin KaFai Lau <kafai@fb.com>2017-02-23 10:40:34 -0800
committerDavid S. Miller <davem@davemloft.net>2017-02-23 13:53:42 -0500
commit9c4713701c01e4cef6e2315c2818abc919ffb0de (patch)
tree39f6f0e7dbdf11ef676d4dd48cfaea23d0856382 /net/core
parentccaba0621a8577ce6b84cf625f2b9a4c6466d999 (diff)
bpf: Fix bpf_xdp_event_output
Fix a typo. xdp->data instead of xdp should be copied to the perf-event's dst_buff. Fixes: 4de16969523c ("bpf: enable event output helper also for xdp types") Reported-by: Huapeng Zhou <hzhou@fb.com> Tested-by: Feixiong Zhang <feixiong@fb.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Martin KaFai Lau <kafai@fb.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/filter.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/core/filter.c b/net/core/filter.c
index e466e0040137..ebaeaf2e46e8 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -2584,8 +2584,8 @@ BPF_CALL_5(bpf_xdp_event_output, struct xdp_buff *, xdp, struct bpf_map *, map,
if (unlikely(xdp_size > (unsigned long)(xdp->data_end - xdp->data)))
return -EFAULT;
- return bpf_event_output(map, flags, meta, meta_size, xdp, xdp_size,
- bpf_xdp_copy);
+ return bpf_event_output(map, flags, meta, meta_size, xdp->data,
+ xdp_size, bpf_xdp_copy);
}
static const struct bpf_func_proto bpf_xdp_event_output_proto = {