linux-kernel - [PATCH 3/5] clocksource/drivers/imx-tpm: mark two variable with __ro_after

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, 14 Dec 2021 20:07:35 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     daniel.lezcano@...aro.org, tglx@...utronix.de, shawnguo@...nel.org,
        s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Peng Fan <peng.fan@....com>
Subject: [PATCH 3/5] clocksource/drivers/imx-tpm: mark two variable with __ro_after_init

From: Peng Fan <peng.fan@....com>

counter_width and timer_base will not be updated after init, so mark
as __ro_after_init.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/clocksource/timer-imx-tpm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c
index 2c0b0d4eba9e..3afd9b0a668a 100644
--- a/drivers/clocksource/timer-imx-tpm.c
+++ b/drivers/clocksource/timer-imx-tpm.c
@@ -32,8 +32,8 @@
 #define TPM_C0SC_CHF_MASK		(0x1 << 7)
 #define TPM_C0V				0x24
 
-static int counter_width;
-static void __iomem *timer_base;
+static int counter_width __ro_after_init;
+static void __iomem *timer_base __ro_after_init;
 
 static inline void tpm_timer_disable(void)
 {
-- 
2.25.1