From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexei Starovoitov Subject: [PATCH net 3/3] samples/bpf: fix trace_output example Date: Wed, 27 Apr 2016 18:56:22 -0700 Message-ID: <1461808582-1452466-4-git-send-email-ast@fb.com> References: <1461808582-1452466-1-git-send-email-ast@fb.com> Mime-Version: 1.0 Content-Type: text/plain Cc: Daniel Borkmann , Jann Horn , Linus Torvalds , , To: "David S . Miller" Return-path: Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:19811 "EHLO mx0b-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752385AbcD1B42 (ORCPT ); Wed, 27 Apr 2016 21:56:28 -0400 Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.16.0.11/8.16.0.11) with SMTP id u3S1tkmq014372 for ; Wed, 27 Apr 2016 18:56:27 -0700 Received: from mail.thefacebook.com ([199.201.64.23]) by m0089730.ppops.net with ESMTP id 22k7x5rb79-2 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Wed, 27 Apr 2016 18:56:27 -0700 Received: from facebook.com (2401:db00:11:d093:face:0:1b:0) by mx-out.facebook.com (10.212.236.89) with ESMTP id 68f39a300ce411e6ad640002c95209d8-7addc50 for ; Wed, 27 Apr 2016 18:56:23 -0700 In-Reply-To: <1461808582-1452466-1-git-send-email-ast@fb.com> Sender: netdev-owner@vger.kernel.org List-ID: 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 --- 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