Commit ac801022 authored by Konrad Rzeszutek Wilk's avatar Konrad Rzeszutek Wilk Committed by David Vrabel

driver core: Provide an wrapper around the mutex to do lockdep warnings

Instead of open-coding it in drivers that want to double check
that their functions are indeed holding the device lock.
Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Suggested-by: default avatarDavid Vrabel <david.vrabel@citrix.com>
Acked-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarDavid Vrabel <david.vrabel@citrix.com>
parent e8801a74
......@@ -278,7 +278,7 @@ void pcistub_put_pci_dev(struct pci_dev *dev)
/* Cleanup our device
* (so it's ready for the next domain)
*/
lockdep_assert_held(&dev->dev.mutex);
device_lock_assert(&dev->dev);
__pci_reset_function_locked(dev);
pci_restore_state(dev);
......
......@@ -911,6 +911,11 @@ static inline void device_unlock(struct device *dev)
mutex_unlock(&dev->mutex);
}
static inline void device_lock_assert(struct device *dev)
{
lockdep_assert_held(&dev->mutex);
}
void driver_init(void);
/*
......
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