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ipack: save carrier owner to allow device to get it

Browse source 
There was not any kind of protection against carrier driver removal.
In this way, device driver can 'get' the carrier driver when it is
using it.

Signed-off-by: Federico Vaga <[email protected]>
Acked-by: Samuel Iglesias Gonsalvez <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Federico Vaga 2014-09-02 17:31:40 +02:00 • committed by Greg Kroah-Hartman
commit 36c53b3cc3
3 changed files with 28 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

3
drivers/ipack/carriers/tpci200.c
View file

@ -572,7 +572,8 @@ static int tpci200_pci_probe(struct pci_dev *pdev,
/* Register the carrier in the industry pack bus driver */
tpci200->info->ipack_bus = ipack_bus_register(&pdev->dev,
TPCI200_NB_SLOT,
&tpci200_bus_ops);
&tpci200_bus_ops,
THIS_MODULE);
if (!tpci200->info->ipack_bus) {
dev_err(&pdev->dev,
"error registering the carrier on ipack driver\n");

4
drivers/ipack/ipack.c
View file

@ -206,7 +206,8 @@ static struct bus_type ipack_bus_type = {
};
struct ipack_bus_device *ipack_bus_register(struct device *parent, int slots,
const struct ipack_bus_ops *ops)
const struct ipack_bus_ops *ops,
struct module *owner)
{
int bus_nr;
struct ipack_bus_device *bus;
@ -225,6 +226,7 @@ struct ipack_bus_device *ipack_bus_register(struct device *parent, int slots,
bus->parent = parent;
bus->slots = slots;
bus->ops = ops;
bus->owner = owner;
return bus;
}
EXPORT_SYMBOL_GPL(ipack_bus_register);