From: Devendra Naga <devendra.aaru@gmail.com>
Date: Sat, 9 Jun 2012 12:02:31 +0000 (+0530)
Subject: pinctrl: pinctrl-mxs: set platform driver data to NULL at errpath and at unregister
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=149ff9e1f240e7b57a02e0be5f74f21d0307d1d3;p=linux-beck.git

pinctrl: pinctrl-mxs: set platform driver data to NULL at errpath and at unregister

clear the platform data pointer when mxs_pinctrl_probe_dt fails,
and also before the unregistering with pinctrl subsystem.

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/drivers/pinctrl/pinctrl-mxs.c b/drivers/pinctrl/pinctrl-mxs.c
index 9d46303a84e7..afb50ee64598 100644
--- a/drivers/pinctrl/pinctrl-mxs.c
+++ b/drivers/pinctrl/pinctrl-mxs.c
@@ -516,6 +516,7 @@ int __devinit mxs_pinctrl_probe(struct platform_device *pdev,
 	return 0;
 
 err:
+	platform_set_drvdata(pdev, NULL);
 	iounmap(d->base);
 	return ret;
 }
@@ -525,6 +526,7 @@ int __devexit mxs_pinctrl_remove(struct platform_device *pdev)
 {
 	struct mxs_pinctrl_data *d = platform_get_drvdata(pdev);
 
+	platform_set_drvdata(pdev, NULL);
 	pinctrl_unregister(d->pctl);
 	iounmap(d->base);