From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934502AbcI0PnG (ORCPT ); Tue, 27 Sep 2016 11:43:06 -0400 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:52656 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S934391AbcI0Pmv (ORCPT ); Tue, 27 Sep 2016 11:42:51 -0400 From: Shaohua Li To: , CC: "David S . Miller" , , Tejun Heo , Alexei Starovoitov Subject: [PATCH trival -resend 1/2] bpf: clean up put_cpu_var usage Date: Tue, 27 Sep 2016 08:42:41 -0700 Message-ID: <7ffd1960225e024a738e4c372f091bb49096e294.1474990741.git.shli@fb.com> X-Mailer: git-send-email 2.9.3 X-FB-Internal: Safe MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-09-27_06:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org put_cpu_var takes the percpu data, not the data returned from get_cpu_var. This doesn't change the behavior. Cc: Tejun Heo Cc: Alexei Starovoitov Signed-off-by: Shaohua Li --- kernel/bpf/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 7b7baae..aa6d981 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -1031,7 +1031,7 @@ BPF_CALL_0(bpf_user_rnd_u32) state = &get_cpu_var(bpf_user_rnd_state); res = prandom_u32_state(state); - put_cpu_var(state); + put_cpu_var(bpf_user_rnd_state); return res; } -- 2.9.3