Re: [PATCH] hotplug: unlock in error path in acpiphp_enable_slot

From: Rafael J. Wysocki
Date: Sat Jan 23 2016 - 20:17:27 EST


On Saturday, January 23, 2016 03:44:19 PM Insu Yun wrote:
> In acpiphp_enable_slot, there is a missing unlock path
> when error occurred. It needs to be unlocked before returning an error.
>
> Signed-off-by: Insu Yun <wuninsu@xxxxxxxxx>

Applied, thanks!

> ---
> drivers/pci/hotplug/acpiphp_glue.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
> index ff53856..0b3e0bf 100644
> --- a/drivers/pci/hotplug/acpiphp_glue.c
> +++ b/drivers/pci/hotplug/acpiphp_glue.c
> @@ -953,8 +953,10 @@ int acpiphp_enable_slot(struct acpiphp_slot *slot)
> {
> pci_lock_rescan_remove();
>
> - if (slot->flags & SLOT_IS_GOING_AWAY)
> + if (slot->flags & SLOT_IS_GOING_AWAY) {
> + pci_unlock_rescan_remove();
> return -ENODEV;
> + }
>
> /* configure all functions */
> if (!(slot->flags & SLOT_ENABLED))
>

--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.