From: Jie Zhou <b30303@freescale.com>
Date: Wed, 4 Aug 2010 03:26:39 +0000 (+0800)
Subject: ENGR00125800 UIO: clean uioinfo when uninstall uio driver
X-Git-Tag: v3.0.35-fsl~2486
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e0001c5c38e8cedbb53ec2eb7632441e5b7e437d;p=karo-tx-linux.git

ENGR00125800 UIO: clean uioinfo when uninstall uio driver

The uioinfo should be cleaned up when uninstall, otherwise re-install
failure of uio_pdrv_genirq.ko will happen.

Signed-off-by: Jie Zhou <b30303@freescale.com>
---

diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c
index 0f424af7f109..e669a2c62b47 100644
--- a/drivers/uio/uio_pdrv_genirq.c
+++ b/drivers/uio/uio_pdrv_genirq.c
@@ -190,8 +190,10 @@ static int uio_pdrv_genirq_remove(struct platform_device *pdev)
 	uio_unregister_device(priv->uioinfo);
 	pm_runtime_disable(&pdev->dev);
 
+	priv->uioinfo->irq_flags = 0;
 	priv->uioinfo->handler = NULL;
 	priv->uioinfo->irqcontrol = NULL;
+	priv->uioinfo->priv = NULL;
 
 	kfree(priv);
 	return 0;