linux-kernel - RE: [PATCH v4] pwm: vt8500: Update vt8500 PWM driver support

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:	Fri, 26 Oct 2012 20:52:26 +0000
From:	"Chris Brand" <chris.brand@...adcom.com>
To:	"Tony Prisk" <linux@...sktech.co.nz>,
	"thierry.reding@...onic-design.de" <thierry.reding@...onic-design.de>
cc:	"arm@...nel.org" <arm@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH v4] pwm: vt8500: Update vt8500 PWM driver support

Hi Tony,

> @@ -124,6 +156,12 @@ static int __devinit pwm_probe(struct
> platform_device *pdev)
>  	chip->chip.base = -1;
>  	chip->chip.npwm = VT8500_NR_PWMS;
> 
> +	chip->clk = devm_clk_get(&pdev->dev, NULL);
> +	if (IS_ERR_OR_NULL(chip->clk)) {
> +		dev_err(&pdev->dev, "clock source not specified\n");
> +		return PTR_ERR(chip->clk);
> +	}
> +

Do you want IS_ERR() rather than IS_ERR_OR_NULL() here ?
Otherwise you may return PTR_ERR(NULL).

Chris


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/