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Date: Mon, 18 Jul 2016 15:50:58 -0700
From: akpm@...ux-foundation.org
To: davem@...emloft.net, netdev@...r.kernel.org,
akpm@...ux-foundation.org, ast@...nel.org, daniel@...earbox.net
Subject: [patch 1/1] kernel/trace/bpf_trace.c: work around gcc-4.4.4 anon
union initialization bug
From: Andrew Morton <akpm@...ux-foundation.org>
Subject: kernel/trace/bpf_trace.c: work around gcc-4.4.4 anon union initialization bug
kernel/trace/bpf_trace.c: In function 'bpf_event_output':
kernel/trace/bpf_trace.c:312: error: unknown field 'next' specified in initializer
kernel/trace/bpf_trace.c:312: warning: missing braces around initializer
kernel/trace/bpf_trace.c:312: warning: (near initialization for 'raw.frag.<anonymous>')
Fixes: 555c8a8623a3a87 ("bpf: avoid stack copy and use skb ctx for event output")
Acked-by: Daniel Borkmann <daniel@...earbox.net>
Cc: Alexei Starovoitov <ast@...nel.org>
Cc: David S. Miller <davem@...emloft.net>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---
kernel/trace/bpf_trace.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN kernel/trace/bpf_trace.c~kernel-trace-bpf_tracec-work-around-gcc-444-anon-union-initialization-bug kernel/trace/bpf_trace.c
--- a/kernel/trace/bpf_trace.c~kernel-trace-bpf_tracec-work-around-gcc-444-anon-union-initialization-bug
+++ a/kernel/trace/bpf_trace.c
@@ -309,7 +309,9 @@ u64 bpf_event_output(struct bpf_map *map
};
struct perf_raw_record raw = {
.frag = {
- .next = ctx_size ? &frag : NULL,
+ {
+ .next = ctx_size ? &frag : NULL,
+ },
.size = meta_size,
.data = meta,
},
_
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