linux-kernel - [PATCH 3/4] clocksource/drivers/sp804: Correct clk_get

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]

Message-ID: <20201029123317.90286-4-wangkefeng.wang@huawei.com>
Date:   Thu, 29 Oct 2020 20:33:16 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        <linux-kernel@...r.kernel.org>
CC:     Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH 3/4] clocksource/drivers/sp804: Correct clk_get_rate handle

clk_get_rate won't return negative value, correct clk_get_rate handle.

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 drivers/clocksource/timer-sp804.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/clocksource/timer-sp804.c b/drivers/clocksource/timer-sp804.c
index 9e0cc029b06a..e0b48ecf20ab 100644
--- a/drivers/clocksource/timer-sp804.c
+++ b/drivers/clocksource/timer-sp804.c
@@ -58,7 +58,6 @@ static struct sp804_clkevt sp804_clkevt[NR_TIMERS];
 
 static long __init sp804_get_clock_rate(struct clk *clk, const char *name)
 {
-	long rate;
 	int err;
 
 	if (!clk)
@@ -75,14 +74,7 @@ static long __init sp804_get_clock_rate(struct clk *clk, const char *name)
 		return err;
 	}
 
-	rate = clk_get_rate(clk);
-	if (rate < 0) {
-		pr_err("sp804: clock failed to get rate: %ld\n", rate);
-		clk_disable_unprepare(clk);
-		clk_put(clk);
-	}
-
-	return rate;
+	return clk_get_rate(clk);
 }
 
 static struct sp804_clkevt * __init sp804_clkevt_get(void __iomem *base)
-- 
2.26.2