On Fri, 11 Aug 2017, Sebastian Ott wrote:
> * iommu_release_device must not release the struct device but the
> structure it is embedded in: struct iommu_device (I'll send a patch
> for that)
--->8
>From 2839c92e038af47b8cb569f84d571878c54d1815 Mon Sep 17 00:00:00 2001
From: Sebastian Ott <seb...@linux.vnet.ibm.com>
Date: Fri, 11 Aug 2017 19:04:00 +0200
Subject: [PATCH] iommu: fix the release function of iommu_class
The release function of iommu_class must not only free the device
structure it gets called with but the whole structure the device
is embedded in - struct iommu_device.
Signed-off-by: Sebastian Ott <seb...@linux.vnet.ibm.com>
---
drivers/iommu/iommu-sysfs.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/iommu-sysfs.c b/drivers/iommu/iommu-sysfs.c
index c58351e..b65a501 100644
--- a/drivers/iommu/iommu-sysfs.c
+++ b/drivers/iommu/iommu-sysfs.c
@@ -34,7 +34,9 @@ static const struct attribute_group *iommu_dev_groups[] = {
static void iommu_release_device(struct device *dev)
{
- kfree(dev);
+ struct iommu_device *iommu = container_of(dev, struct iommu_device,
dev);
+
+ kfree(iommu);
}
static struct class iommu_class = {
--
2.5.5
