linux-kernel - [PATCH] clocksource/drivers/oxnas: fix error check return value of irq_of_parse_and

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-next>] [day] [month] [year] [list]

Message-Id: <20220422084816.2775898-1-lv.ruyi@zte.com.cn>
Date:   Fri, 22 Apr 2022 08:48:16 +0000
From:   cgel.zte@...il.com
To:     daniel.lezcano@...aro.org, tglx@...utronix.de
Cc:     narmstrong@...libre.com, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-oxnas@...ups.io,
        Lv Ruyi <lv.ruyi@....com.cn>, Zeal Robot <zealci@....com.cn>
Subject: [PATCH] clocksource/drivers/oxnas: fix error check return value of irq_of_parse_and_map()

From: Lv Ruyi <lv.ruyi@....com.cn>

The irq_of_parse_and_map() function returns 0 on failure, and does not
return an negative value.

Fixes: 	89355274e1f7 ("clocksource/drivers/oxnas-rps: Add Oxford Semiconductor RPS Dual Timer")
Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@....com.cn>
---
 drivers/clocksource/timer-oxnas-rps.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clocksource/timer-oxnas-rps.c b/drivers/clocksource/timer-oxnas-rps.c
index 56c0cc32d0ac..d514b44e67dd 100644
--- a/drivers/clocksource/timer-oxnas-rps.c
+++ b/drivers/clocksource/timer-oxnas-rps.c
@@ -236,7 +236,7 @@ static int __init oxnas_rps_timer_init(struct device_node *np)
 	}
 
 	rps->irq = irq_of_parse_and_map(np, 0);
-	if (rps->irq < 0) {
+	if (!rps->irq) {
 		ret = -EINVAL;
 		goto err_iomap;
 	}
-- 
2.25.1