From 2548c06b72396e28abdb5dd572ab589c3c22f4b9 Mon Sep 17 00:00:00 2001 From: Prarit Bhargava Date: Mon, 4 Dec 2006 14:50:17 -0800 Subject: [PATCH] ACPI: dock: Fix symbol conflict between acpiphp and dock Fix bug which will cause acpiphp to not be able to load when dock.ko cannot load. Signed-off-by: Prarit Bhargava Signed-off-by: Kristen Carlson Accardi Signed-off-by: Len Brown --- drivers/acpi/dock.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index e4c1a4ff4e31..8c6828bee5d9 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -444,6 +444,9 @@ static int dock_in_progress(struct dock_station *ds) */ int register_dock_notifier(struct notifier_block *nb) { + if (!dock_station) + return -ENODEV; + return atomic_notifier_chain_register(&dock_notifier_list, nb); } @@ -455,6 +458,9 @@ EXPORT_SYMBOL_GPL(register_dock_notifier); */ void unregister_dock_notifier(struct notifier_block *nb) { + if (!dock_station) + return; + atomic_notifier_chain_unregister(&dock_notifier_list, nb); } @@ -807,7 +813,7 @@ static int __init dock_init(void) ACPI_UINT32_MAX, find_dock, &num, NULL); if (!num) - return -ENODEV; + printk(KERN_INFO "No dock devices found.\n"); return 0; } -- 2.20.1