[RFC PATCH v2, part 2 17/18] PCI, eeepc-laptop: use hotplug-safe iterators to walk PCI buses

From: Jiang Liu
Date: Tue May 14 2013 - 12:54:00 EST


Enhance eeepc-laptop drvier to use hotplug-safe iterators to walk
PCI buses.

Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx>
Cc: Corentin Chary <corentin.chary@xxxxxxxxx>
Cc: Matthew Garrett <matthew.garrett@xxxxxxxxxx>
Cc: acpi4asus-user@xxxxxxxxxxxxxxxxxxxxx
Cc: platform-driver-x86@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
drivers/platform/x86/eeepc-laptop.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index 5d26e70..6291b4f 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -759,7 +759,7 @@ static struct hotplug_slot_ops eeepc_hotplug_slot_ops = {
static int eeepc_setup_pci_hotplug(struct eeepc_laptop *eeepc)
{
int ret = -ENOMEM;
- struct pci_bus *bus = pci_find_bus(0, 1);
+ struct pci_bus *bus = pci_get_bus(0, 1);

if (!bus) {
pr_err("Unable to find wifi PCI bus\n");
@@ -787,6 +787,8 @@ static int eeepc_setup_pci_hotplug(struct eeepc_laptop *eeepc)
goto error_register;
}

+ pci_bus_put(bus);
+
return 0;

error_register:
@@ -795,6 +797,7 @@ error_info:
kfree(eeepc->hotplug_slot);
eeepc->hotplug_slot = NULL;
error_slot:
+ pci_bus_put(bus);
return ret;
}

--
1.8.1.2

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