diff mbox

[4/4] pinctrl: mvebu: add missing iounmap

Message ID 1377175611-4241-5-git-send-email-jszhang@marvell.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jisheng Zhang Aug. 22, 2013, 12:46 p.m. UTC
Add missing iounmap to prove error path and remove path

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
---
 drivers/pinctrl/mvebu/pinctrl-mvebu.c | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

Comments

Ezequiel Garcia Aug. 22, 2013, 1:22 p.m. UTC | #1
Hi Jisheng,

On Thu, Aug 22, 2013 at 08:46:51PM +0800, Jisheng Zhang wrote:
> Add missing iounmap to prove error path and remove path
> 
> Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
> ---
>  drivers/pinctrl/mvebu/pinctrl-mvebu.c | 24 +++++++++++++++++-------
>  1 file changed, 17 insertions(+), 7 deletions(-)

How about using devm_ioremap_resource() instead?
Linus Walleij Aug. 23, 2013, 6:06 p.m. UTC | #2
On Thu, Aug 22, 2013 at 3:22 PM, Ezequiel Garcia
<ezequiel.garcia@free-electrons.com> wrote:
> On Thu, Aug 22, 2013 at 08:46:51PM +0800, Jisheng Zhang wrote:
>> Add missing iounmap to prove error path and remove path
>>
>> Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
>> ---
>>  drivers/pinctrl/mvebu/pinctrl-mvebu.c | 24 +++++++++++++++++-------
>>  1 file changed, 17 insertions(+), 7 deletions(-)
>
> How about using devm_ioremap_resource() instead?

Yeah that's the right solution, Jisheng can you fix this?

Yours,
Linus Walleij
Ezequiel Garcia Aug. 23, 2013, 8:19 p.m. UTC | #3
On Fri, Aug 23, 2013 at 08:06:02PM +0200, Linus Walleij wrote:
> On Thu, Aug 22, 2013 at 3:22 PM, Ezequiel Garcia
> <ezequiel.garcia@free-electrons.com> wrote:
> > On Thu, Aug 22, 2013 at 08:46:51PM +0800, Jisheng Zhang wrote:
> >> Add missing iounmap to prove error path and remove path
> >>
> >> Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
> >> ---
> >>  drivers/pinctrl/mvebu/pinctrl-mvebu.c | 24 +++++++++++++++++-------
> >>  1 file changed, 17 insertions(+), 7 deletions(-)
> >
> > How about using devm_ioremap_resource() instead?
> 
> Yeah that's the right solution, Jisheng can you fix this?
> 

I think he already did that, there's a v2 floating around
with such change. I plan to give it a test, maybe tomorrow,
if I can find some spare time.

Regards,
Jisheng Zhang Aug. 24, 2013, 3:55 a.m. UTC | #4
Hi Linus and Ezequiel,

On Fri, 23 Aug 2013 13:19:26 -0700
Ezequiel Garcia <ezequiel.garcia@free-electrons.com> wrote:

> On Fri, Aug 23, 2013 at 08:06:02PM +0200, Linus Walleij wrote:
> > On Thu, Aug 22, 2013 at 3:22 PM, Ezequiel Garcia
> > <ezequiel.garcia@free-electrons.com> wrote:
> > > On Thu, Aug 22, 2013 at 08:46:51PM +0800, Jisheng Zhang wrote:
> > >> Add missing iounmap to prove error path and remove path
> > >>
> > >> Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
> > >> ---
> > >>  drivers/pinctrl/mvebu/pinctrl-mvebu.c | 24 +++++++++++++++++-------
> > >>  1 file changed, 17 insertions(+), 7 deletions(-)
> > >
> > > How about using devm_ioremap_resource() instead?
> > 
> > Yeah that's the right solution, Jisheng can you fix this?
> > 
> 
> I think he already did that, there's a v2 floating around
> with such change. I plan to give it a test, maybe tomorrow,
> if I can find some spare time.
> 

Yep. Here is the V2

http://lists.infradead.org/pipermail/linux-arm-kernel/2013-August/194072.html

Thank you for your help,
Jisheng
diff mbox

Patch

diff --git a/drivers/pinctrl/mvebu/pinctrl-mvebu.c b/drivers/pinctrl/mvebu/pinctrl-mvebu.c
index bb7ddb1..d1ac6b7 100644
--- a/drivers/pinctrl/mvebu/pinctrl-mvebu.c
+++ b/drivers/pinctrl/mvebu/pinctrl-mvebu.c
@@ -601,7 +601,8 @@  int mvebu_pinctrl_probe(struct platform_device *pdev)
 			GFP_KERNEL);
 	if (!pctl) {
 		dev_err(&pdev->dev, "unable to alloc driver\n");
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto bail_out;
 	}
 
 	pctl->desc.name = dev_name(&pdev->dev);
@@ -631,7 +632,8 @@  int mvebu_pinctrl_probe(struct platform_device *pdev)
 		if (ctrl->mpp_get || ctrl->mpp_set) {
 			if (!ctrl->name || !ctrl->mpp_get || !ctrl->mpp_set) {
 				dev_err(&pdev->dev, "wrong soc control info\n");
-				return -EINVAL;
+				ret = -EINVAL;
+				goto bail_out;
 			}
 			pctl->num_groups += 1;
 			continue;
@@ -641,7 +643,8 @@  int mvebu_pinctrl_probe(struct platform_device *pdev)
 		names = devm_kzalloc(&pdev->dev, ctrl->npins * 8, GFP_KERNEL);
 		if (!names) {
 			dev_err(&pdev->dev, "failed to alloc mpp names\n");
-			return -ENOMEM;
+			ret = -ENOMEM;
+			goto bail_out;
 		}
 		for (k = 0; k < ctrl->npins; k++)
 			sprintf(names + 8*k, "mpp%d", ctrl->pid+k);
@@ -653,7 +656,8 @@  int mvebu_pinctrl_probe(struct platform_device *pdev)
 			     sizeof(struct pinctrl_pin_desc), GFP_KERNEL);
 	if (!pdesc) {
 		dev_err(&pdev->dev, "failed to alloc pinctrl pins\n");
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto bail_out;
 	}
 
 	for (n = 0; n < pctl->desc.npins; n++)
@@ -664,7 +668,8 @@  int mvebu_pinctrl_probe(struct platform_device *pdev)
 			     sizeof(struct mvebu_pinctrl_group), GFP_KERNEL);
 	if (!pctl->groups) {
 		dev_err(&pdev->dev, "failed to alloc pinctrl groups\n");
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto bail_out;
 	}
 
 	/* assign mpp controls to groups */
@@ -735,13 +740,14 @@  int mvebu_pinctrl_probe(struct platform_device *pdev)
 	ret = mvebu_pinctrl_build_functions(pdev, pctl);
 	if (ret) {
 		dev_err(&pdev->dev, "unable to build functions\n");
-		return ret;
+		goto bail_out;
 	}
 
 	pctl->pctldev = pinctrl_register(&pctl->desc, &pdev->dev, pctl);
 	if (!pctl->pctldev) {
 		dev_err(&pdev->dev, "unable to register pinctrl driver\n");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto bail_out;
 	}
 
 	dev_info(&pdev->dev, "registered pinctrl driver\n");
@@ -751,11 +757,15 @@  int mvebu_pinctrl_probe(struct platform_device *pdev)
 		pinctrl_add_gpio_range(pctl->pctldev, &soc->gpioranges[n]);
 
 	return 0;
+bail_out:
+	iounmap(base);
+	return ret;
 }
 
 int mvebu_pinctrl_remove(struct platform_device *pdev)
 {
 	struct mvebu_pinctrl *pctl = platform_get_drvdata(pdev);
+	iounmap(pctl->base);
 	pinctrl_unregister(pctl->pctldev);
 	return 0;
 }