From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@armlinux.org.uk (Russell King - ARM Linux) Date: Mon, 31 Oct 2016 16:20:27 +0000 Subject: [PATCH] ARM: zx: Fix error handling In-Reply-To: <20161030081010.14735-1-christophe.jaillet@wanadoo.fr> References: <20161030081010.14735-1-christophe.jaillet@wanadoo.fr> Message-ID: <20161031162027.GK1041@n2100.armlinux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > --- > '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.