From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: From: Rui Wang To: helgaas@kernel.org, tglx@linutronix.de, rjw@rjwysocki.net, tony.luck@intel.com Cc: bhelgaas@google.com, linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, rui.y.wang@intel.com Subject: [PATCH v2 3/5] x86/ioapic: Fix setup_res() failing to get resource Date: Wed, 27 Jul 2016 23:44:13 +0800 Message-Id: <1469634255-24101-4-git-send-email-rui.y.wang@intel.com> In-Reply-To: <1469634255-24101-1-git-send-email-rui.y.wang@intel.com> References: <20160726204640.GA17664@localhost> <1469634255-24101-1-git-send-email-rui.y.wang@intel.com> List-ID: setup_res() doesn't actually get any resource because it mistakenly checks the return value of acpi_dev_filter_resource_type(), which returns 0 on success, and 1 on failure. Fix it by taking the return value of non-zero as failing to match the specified resource type. Signed-off-by: Rui Wang --- drivers/acpi/ioapic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/ioapic.c b/drivers/acpi/ioapic.c index 2449377..8ab6d42 100644 --- a/drivers/acpi/ioapic.c +++ b/drivers/acpi/ioapic.c @@ -46,7 +46,7 @@ static acpi_status setup_res(struct acpi_resource *acpi_res, void *data) struct resource_win win; res->flags = 0; - if (acpi_dev_filter_resource_type(acpi_res, IORESOURCE_MEM) == 0) + if (acpi_dev_filter_resource_type(acpi_res, IORESOURCE_MEM)) return AE_OK; if (!acpi_dev_resource_memory(acpi_res, res)) { -- 1.8.3.1