linux-kernel - [PATCH 2/2] drivers/perf: hisi_pcie: Initialize event->cpu only on success

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 24 Oct 2023 17:29:54 +0800
From:   Yicong Yang <yangyicong@...wei.com>
To:     <jonathan.cameron@...wei.com>, <will@...nel.org>,
        <mark.rutland@....com>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <hejunhao3@...wei.com>, <prime.zeng@...ilicon.com>,
        <yangyicong@...ilicon.com>, <linuxarm@...wei.com>
Subject: [PATCH 2/2] drivers/perf: hisi_pcie: Initialize event->cpu only on success

From: Yicong Yang <yangyicong@...ilicon.com>

Initialize the event->cpu only on success. To be more reasonable
and keep consistent with other PMUs.

Signed-off-by: Yicong Yang <yangyicong@...ilicon.com>
---
 drivers/perf/hisilicon/hisi_pcie_pmu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/perf/hisilicon/hisi_pcie_pmu.c b/drivers/perf/hisilicon/hisi_pcie_pmu.c
index 051efffc44c8..b90ba8aca3fa 100644
--- a/drivers/perf/hisilicon/hisi_pcie_pmu.c
+++ b/drivers/perf/hisilicon/hisi_pcie_pmu.c
@@ -357,8 +357,6 @@ static int hisi_pcie_pmu_event_init(struct perf_event *event)
 	if (event->attr.type != event->pmu->type)
 		return -ENOENT;
 
-	event->cpu = pcie_pmu->on_cpu;
-
 	if (EXT_COUNTER_IS_USED(hisi_pcie_get_event(event)))
 		hwc->event_base = HISI_PCIE_EXT_CNT;
 	else
@@ -374,6 +372,8 @@ static int hisi_pcie_pmu_event_init(struct perf_event *event)
 	if (!hisi_pcie_pmu_validate_event_group(event))
 		return -EINVAL;
 
+	event->cpu = pcie_pmu->on_cpu;
+
 	return 0;
 }
 
-- 
2.24.0