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greybus: interface: fix potential use-after-free at remove

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Fix resources (accessible through sysfs) being released before interface
is deregistered.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Johan Hovold 2015-11-11 10:07:05 +01:00 • committed by Greg Kroah-Hartman
commit eeb6a6ff59
1 changed files with 3 additions and 3 deletions
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6
drivers/staging/greybus/interface.c
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@ -60,6 +60,9 @@ static void gb_interface_release(struct device *dev)
{
struct gb_interface *intf = to_gb_interface(dev);
kfree(intf->product_string);
kfree(intf->vendor_string);
kfree(intf);
}
@ -191,9 +194,6 @@ void gb_interface_remove(struct gb_interface *intf)
list_for_each_entry_safe(bundle, next, &intf->bundles, links)
gb_bundle_destroy(bundle);
kfree(intf->product_string);
kfree(intf->vendor_string);
module = intf->module;
device_unregister(&intf->dev);
put_device(&module->dev);