linux-kernel - [PATCH 4.19 35/88] pinctrl: pistachio: fix use 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-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220510130734.765287522@linuxfoundation.org>
Date:   Tue, 10 May 2022 15:07:20 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Zeal Robot <zealci@....com.cn>,
        Lv Ruyi <lv.ruyi@....com.cn>,
        Linus Walleij <linus.walleij@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 35/88] pinctrl: pistachio: fix use of irq_of_parse_and_map()

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

[ Upstream commit 0c9843a74a85224a89daa81fa66891dae2f930e1 ]

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

Fixes: cefc03e5995e ("pinctrl: Add Pistachio SoC pin control driver")
Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@....com.cn>
Link: https://lore.kernel.org/r/20220424031430.3170759-1-lv.ruyi@zte.com.cn
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/pinctrl/pinctrl-pistachio.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c
index 0d7d379e9bb8..fb7340ad15b3 100644
--- a/drivers/pinctrl/pinctrl-pistachio.c
+++ b/drivers/pinctrl/pinctrl-pistachio.c
@@ -1374,10 +1374,10 @@ static int pistachio_gpio_register(struct pistachio_pinctrl *pctl)
 		}
 
 		irq = irq_of_parse_and_map(child, 0);
-		if (irq < 0) {
-			dev_err(pctl->dev, "No IRQ for bank %u: %d\n", i, irq);
+		if (!irq) {
+			dev_err(pctl->dev, "No IRQ for bank %u\n", i);
 			of_node_put(child);
-			ret = irq;
+			ret = -EINVAL;
 			goto err;
 		}
 
-- 
2.35.1