netdev - [PATCH net 3/3] samples/bpf: fix trace

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Message-ID: <1461808582-1452466-4-git-send-email-ast@fb.com>
Date:	Wed, 27 Apr 2016 18:56:22 -0700
From:	Alexei Starovoitov <ast@...com>
To:	"David S . Miller" <davem@...emloft.net>
CC:	Daniel Borkmann <daniel@...earbox.net>,
	Jann Horn <jannh@...gle.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	<netdev@...r.kernel.org>, <kernel-team@...com>
Subject: [PATCH net 3/3] samples/bpf: fix trace_output example

llvm cannot always recognize memset as builtin function and optimize
it away, so just delete it. It was a leftover from testing
of bpf_perf_event_output() with large data structures.

Fixes: 39111695b1b8 ("samples: bpf: add bpf_perf_event_output example")
Signed-off-by: Alexei Starovoitov <ast@...nel.org>
---
 samples/bpf/trace_output_kern.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/samples/bpf/trace_output_kern.c b/samples/bpf/trace_output_kern.c
index 8d8d1ec429eb..9b96f4fb8cea 100644
--- a/samples/bpf/trace_output_kern.c
+++ b/samples/bpf/trace_output_kern.c
@@ -18,7 +18,6 @@ int bpf_prog1(struct pt_regs *ctx)
 		u64 cookie;
 	} data;
 
-	memset(&data, 0, sizeof(data));
 	data.pid = bpf_get_current_pid_tgid();
 	data.cookie = 0x12345678;
 
-- 
2.8.0