samples/bpf: fix trace_output example
authorAlexei Starovoitov <ast@fb.com>
Thu, 28 Apr 2016 01:56:22 +0000 (18:56 -0700)
committerDavid S. Miller <davem@davemloft.net>
Thu, 28 Apr 2016 21:29:45 +0000 (17:29 -0400)
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@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
samples/bpf/trace_output_kern.c

index 8d8d1ec429eb6761b0d29b30299536ac782779c5..9b96f4fb8cea64f9b98c835b045bd8c840719433 100644 (file)
@@ -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;