Keith Busch wrote:
> From: Keith Busch <kbusch@xxxxxxxxxx>
>
> If one of the bus' devices has subordinates, the recursive call locks
> itself, so no need to lock the device before the recursion or it will
> surely deadlock.
>
> Fixes: dbc5b5c0d268f87 ("PCI: Add missing bridge lock to pci_bus_lock()"
> Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
> Signed-off-by: Keith Busch <kbusch@xxxxxxxxxx>
> ---
> Changes from v1:
>
> Fixed the same recursive locking for pci_bus_trylock(),
> pci_slot_lock(), and pci_slot_trylock()
Oh, yes, good find, I should have spotted that earlier.
> drivers/pci/pci.c | 33 ++++++++++++++++++---------------
> 1 file changed, 18 insertions(+), 15 deletions(-)
Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx>
