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vfio: don't dereference after kfree...

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Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-08-17 19:49:09 -04:00
parent 312b90fbed
commit 934ad4c235
1 changed files with 2 additions and 1 deletions
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3
drivers/vfio/vfio.c
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@ -416,8 +416,9 @@ static void vfio_device_release(struct kref *kref)
/* Device reference always implies a group reference */ /* Device reference always implies a group reference */
static void vfio_device_put(struct vfio_device *device) static void vfio_device_put(struct vfio_device *device)
{ {
struct vfio_group *group = device->group;
kref_put(&device->kref, vfio_device_release); kref_put(&device->kref, vfio_device_release);
vfio_group_put(device->group); vfio_group_put(group);
} }
static void vfio_device_get(struct vfio_device *device) static void vfio_device_get(struct vfio_device *device)