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um: virtio: free vu_dev only with the contained struct device

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Since struct device is refcounted, we shouldn't free the vu_dev
immediately when it's removed from the platform device, but only
when the references actually all go away. Move the freeing to
the release to accomplish that.

Fixes: 5d38f32499 ("um: drivers: Add virtio vhost-user driver")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Johannes Berg 2021-01-07 22:15:21 +01:00 committed by Richard Weinberger
parent e23fe90dec
commit f4172b0843
1 changed files with 2 additions and 1 deletions
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3
arch/um/drivers/virtio_uml.c
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@ -1084,6 +1084,7 @@ static void virtio_uml_release_dev(struct device *d)
}
os_close_file(vu_dev->sock);
kfree(vu_dev);
}
/* Platform device */
@ -1097,7 +1098,7 @@ static int virtio_uml_probe(struct platform_device *pdev)
if (!pdata)
return -EINVAL;
vu_dev = devm_kzalloc(&pdev->dev, sizeof(*vu_dev), GFP_KERNEL);
vu_dev = kzalloc(sizeof(*vu_dev), GFP_KERNEL);
if (!vu_dev)
return -ENOMEM;