samples/bpf: fix trace_output example

4ast · davem330 · commit 569cc39d3938 · 2016-04-28T17:29:45.000-04:00
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: 3911169 ("samples: bpf: add bpf_perf_event_output example") Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git 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;
 
