linux-kernel - [PATCH] i2c: at91: Use dev_err_probe() instead of dev

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: <20230825142415.37476-1-yann@sionneau.net>
Date:   Fri, 25 Aug 2023 16:24:15 +0200
From:   Yann Sionneau <yann@...nneau.net>
To:     Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>,
        Andi Shyti <andi.shyti@...nel.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Beznea <claudiu.beznea@...on.dev>
Cc:     linux-i2c@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Yann Sionneau <yann@...nneau.net>
Subject: [PATCH] i2c: at91: Use dev_err_probe() instead of dev_err()

Change return dev_err_probe() into
if (IS_ERR(x)) { dev_err(...); return PTR_ERR(x); }

Also, return the correct error instead of hardcoding -ENODEV
This change has also the advantage of handling the -EPROBE_DEFER situation.

Signed-off-by: Yann Sionneau <yann@...nneau.net>
---
 drivers/i2c/busses/i2c-at91-core.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/i2c/busses/i2c-at91-core.c b/drivers/i2c/busses/i2c-at91-core.c
index 05ad3bc3578a..b7bc17b0e5f0 100644
--- a/drivers/i2c/busses/i2c-at91-core.c
+++ b/drivers/i2c/busses/i2c-at91-core.c
@@ -227,10 +227,9 @@ static int at91_twi_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, dev);
 
 	dev->clk = devm_clk_get(dev->dev, NULL);
-	if (IS_ERR(dev->clk)) {
-		dev_err(dev->dev, "no clock defined\n");
-		return -ENODEV;
-	}
+	if (IS_ERR(dev->clk))
+		return dev_err_probe(dev->dev, PTR_ERR(dev->clk), "no clock defined\n");
+
 	clk_prepare_enable(dev->clk);
 
 	snprintf(dev->adapter.name, sizeof(dev->adapter.name), "AT91");
-- 
2.34.1