From mboxrd@z Thu Jan 1 00:00:00 1970 From: walter harms Date: Mon, 19 Aug 2013 09:10:41 +0000 Subject: Re: [PATCH 5/6] regulator: ti-abb: simplify platform_get_resource_byname/devm_ioremap_resource Message-Id: <5211E111.4060406@bfs.de> List-Id: References: <1376902316-18520-1-git-send-email-Julia.Lawall@lip6.fr> <1376902316-18520-6-git-send-email-Julia.Lawall@lip6.fr> In-Reply-To: <1376902316-18520-6-git-send-email-Julia.Lawall@lip6.fr> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Julia Lawall Cc: Liam Girdwood , kernel-janitors@vger.kernel.org, Mark Brown , linux-kernel@vger.kernel.org Am 19.08.2013 10:51, schrieb Julia Lawall: > From: Julia Lawall > > Remove unneeded error handling on the result of a call to > platform_get_resource_byname when the value is passed to devm_ioremap_resource. > > A simplified version of the semantic patch that makes this change is as > follows: (http://coccinelle.lip6.fr/) > > // > @@ > expression pdev,res,e,e1; > expression ret != 0; > identifier l; > @@ > > res = platform_get_resource_byname(...); > - if (res = NULL) { ... \(goto l;\|return ret;\) } > e = devm_ioremap_resource(e1, res); > // > > Signed-off-by: Julia Lawall > > --- > drivers/regulator/ti-abb-regulator.c | 10 ---------- > 1 file changed, 10 deletions(-) > > diff --git a/drivers/regulator/ti-abb-regulator.c b/drivers/regulator/ti-abb-regulator.c > index 3753ed0..d8e3e12 100644 > --- a/drivers/regulator/ti-abb-regulator.c > +++ b/drivers/regulator/ti-abb-regulator.c > @@ -717,11 +717,6 @@ static int ti_abb_probe(struct platform_device *pdev) > /* Map ABB resources */ > pname = "base-address"; > res = platform_get_resource_byname(pdev, IORESOURCE_MEM, pname); > - if (!res) { > - dev_err(dev, "Missing '%s' IO resource\n", pname); > - ret = -ENODEV; > - goto err; > - } > abb->base = devm_ioremap_resource(dev, res); > if (IS_ERR(abb->base)) { > ret = PTR_ERR(abb->base); is pname used by anything else ? (also below) re, wh > @@ -770,11 +765,6 @@ static int ti_abb_probe(struct platform_device *pdev) > > pname = "ldo-address"; > res = platform_get_resource_byname(pdev, IORESOURCE_MEM, pname); > - if (!res) { > - dev_dbg(dev, "Missing '%s' IO resource\n", pname); > - ret = -ENODEV; > - goto skip_opt; > - } > abb->ldo_base = devm_ioremap_resource(dev, res); > if (IS_ERR(abb->ldo_base)) { > ret = PTR_ERR(abb->ldo_base); > > -- > To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >