From: Russell King - ARM Linux <linux@armlinux.org.uk>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: zx: Fix error handling
Date: Mon, 31 Oct 2016 16:20:27 +0000 [thread overview]
Message-ID: <20161031162027.GK1041@n2100.armlinux.org.uk> (raw)
In-Reply-To: <20161030081010.14735-1-christophe.jaillet@wanadoo.fr>
Same as the other fix...
On Sun, Oct 30, 2016 at 09:10:10AM +0100, Christophe JAILLET wrote:
> 'devm_ioremap_resource()' returns an error pointer in case of error, not
> NULL. So test it with IS_ERR.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> 'return -EIO;' could also be turned into 'return PTR_ERR(pcubase);' in
> order to propagate the error value.
> ---
> arch/arm/mach-zx/zx296702-pm-domain.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-zx/zx296702-pm-domain.c b/arch/arm/mach-zx/zx296702-pm-domain.c
> index e08574d4e2ca..79dcf2549267 100644
> --- a/arch/arm/mach-zx/zx296702-pm-domain.c
> +++ b/arch/arm/mach-zx/zx296702-pm-domain.c
> @@ -169,7 +169,7 @@ static int zx296702_pd_probe(struct platform_device *pdev)
> }
>
> pcubase = devm_ioremap_resource(&pdev->dev, res);
> - if (!pcubase) {
> + if (IS_ERR(pcubase)) {
> dev_err(&pdev->dev, "ioremap fail.\n");
> return -EIO;
> }
> --
> 2.9.3
>
--
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.
WARNING: multiple messages have this Message-ID (diff)
From: linux@armlinux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: zx: Fix error handling
Date: Mon, 31 Oct 2016 16:20:27 +0000 [thread overview]
Message-ID: <20161031162027.GK1041@n2100.armlinux.org.uk> (raw)
In-Reply-To: <20161030081010.14735-1-christophe.jaillet@wanadoo.fr>
Same as the other fix...
On Sun, Oct 30, 2016 at 09:10:10AM +0100, Christophe JAILLET wrote:
> 'devm_ioremap_resource()' returns an error pointer in case of error, not
> NULL. So test it with IS_ERR.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> 'return -EIO;' could also be turned into 'return PTR_ERR(pcubase);' in
> order to propagate the error value.
> ---
> arch/arm/mach-zx/zx296702-pm-domain.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-zx/zx296702-pm-domain.c b/arch/arm/mach-zx/zx296702-pm-domain.c
> index e08574d4e2ca..79dcf2549267 100644
> --- a/arch/arm/mach-zx/zx296702-pm-domain.c
> +++ b/arch/arm/mach-zx/zx296702-pm-domain.c
> @@ -169,7 +169,7 @@ static int zx296702_pd_probe(struct platform_device *pdev)
> }
>
> pcubase = devm_ioremap_resource(&pdev->dev, res);
> - if (!pcubase) {
> + if (IS_ERR(pcubase)) {
> dev_err(&pdev->dev, "ioremap fail.\n");
> return -EIO;
> }
> --
> 2.9.3
>
--
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.
WARNING: multiple messages have this Message-ID (diff)
From: Russell King - ARM Linux <linux@armlinux.org.uk>
To: Christophe JAILLET <christophe.jaillet@wanadoo.fr>, arm@kernel.org
Cc: jun.nie@linaro.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] ARM: zx: Fix error handling
Date: Mon, 31 Oct 2016 16:20:27 +0000 [thread overview]
Message-ID: <20161031162027.GK1041@n2100.armlinux.org.uk> (raw)
In-Reply-To: <20161030081010.14735-1-christophe.jaillet@wanadoo.fr>
Same as the other fix...
On Sun, Oct 30, 2016 at 09:10:10AM +0100, Christophe JAILLET wrote:
> 'devm_ioremap_resource()' returns an error pointer in case of error, not
> NULL. So test it with IS_ERR.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> 'return -EIO;' could also be turned into 'return PTR_ERR(pcubase);' in
> order to propagate the error value.
> ---
> arch/arm/mach-zx/zx296702-pm-domain.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-zx/zx296702-pm-domain.c b/arch/arm/mach-zx/zx296702-pm-domain.c
> index e08574d4e2ca..79dcf2549267 100644
> --- a/arch/arm/mach-zx/zx296702-pm-domain.c
> +++ b/arch/arm/mach-zx/zx296702-pm-domain.c
> @@ -169,7 +169,7 @@ static int zx296702_pd_probe(struct platform_device *pdev)
> }
>
> pcubase = devm_ioremap_resource(&pdev->dev, res);
> - if (!pcubase) {
> + if (IS_ERR(pcubase)) {
> dev_err(&pdev->dev, "ioremap fail.\n");
> return -EIO;
> }
> --
> 2.9.3
>
--
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.
next prev parent reply other threads:[~2016-10-31 16:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-30 8:10 [PATCH] ARM: zx: Fix error handling Christophe JAILLET
2016-10-30 8:10 ` Christophe JAILLET
2016-10-30 8:10 ` Christophe JAILLET
2016-10-31 16:20 ` Russell King - ARM Linux [this message]
2016-10-31 16:20 ` Russell King - ARM Linux
2016-10-31 16:20 ` Russell King - ARM Linux
2016-11-07 21:18 ` Olof Johansson
2016-11-07 21:18 ` Olof Johansson
2016-11-07 21:18 ` Olof Johansson
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