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Message-ID: <1302072160-6483-1-git-send-email-b29396@freescale.com>
Date: Wed, 6 Apr 2011 14:42:40 +0800
From: Aisheng Dong <b29396@...escale.com>
To: <hjk@...sjkoch.de>, <greg@...ah.com>
CC: <linux-kernel@...r.kernel.org>
Subject: [PATCH V2 1/1] uio: clean uioinfo when uninstall uio driver
From: Jie Zhou <b30303@...escale.com>
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@...escale.com>
Signed-off-by: Aisheng Dong <b29396@...escale.com>
---
Changes for v2:
Address the comments from Hans:
- The uioinfo->irq_flags and uioinfo->priv do not have to be cleaned
---
drivers/uio/uio_pdrv_genirq.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c
index 7174d51..0f424af 100644
--- a/drivers/uio/uio_pdrv_genirq.c
+++ b/drivers/uio/uio_pdrv_genirq.c
@@ -189,6 +189,10 @@ static int uio_pdrv_genirq_remove(struct platform_device *pdev)
uio_unregister_device(priv->uioinfo);
pm_runtime_disable(&pdev->dev);
+
+ priv->uioinfo->handler = NULL;
+ priv->uioinfo->irqcontrol = NULL;
+
kfree(priv);
return 0;
}
--
1.7.0.4
--
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