[v9,03/15] ACPI/IORT: Rework iort_match_node_callback() return value handling

Message ID 1488890410-15503-4-git-send-email-guohanjun@huawei.com
State New
Headers show
Series
  • ACPI platform MSI support and its example mbigen
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Commit Message

Hanjun Guo March 7, 2017, 12:39 p.m.
From: Hanjun Guo <hanjun.guo@linaro.org>


The return value handling in iort_match_node_callback() is
too convoluted; update the iort_match_node_callback() return
value handling to make code easier to read.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>

[lorenzo.pieralisi@arm.com: rewrote commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>

Tested-by: Ming Lei <ming.lei@canonical.com>

Tested-by: Wei Xu <xuwei5@hisilicon.com>

Tested-by: Sinan Kaya <okaya@codeaurora.org>

Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Tomasz Nowicki <tn@semihalf.com>
---
 drivers/acpi/arm64/iort.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

-- 
1.7.12.4

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diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index abc5774..a6b807d 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -253,17 +253,15 @@  static acpi_status iort_match_node_callback(struct acpi_iort_node *node,
 					    void *context)
 {
 	struct device *dev = context;
-	acpi_status status;
+	acpi_status status = AE_NOT_FOUND;
 
 	if (node->type == ACPI_IORT_NODE_NAMED_COMPONENT) {
 		struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER, NULL };
 		struct acpi_device *adev = to_acpi_device_node(dev->fwnode);
 		struct acpi_iort_named_component *ncomp;
 
-		if (!adev) {
-			status = AE_NOT_FOUND;
+		if (!adev)
 			goto out;
-		}
 
 		status = acpi_get_name(adev->handle, ACPI_FULL_PATHNAME, &buf);
 		if (ACPI_FAILURE(status)) {
@@ -289,8 +287,6 @@  static acpi_status iort_match_node_callback(struct acpi_iort_node *node,
 		 */
 		status = pci_rc->pci_segment_number == pci_domain_nr(bus) ?
 							AE_OK : AE_NOT_FOUND;
-	} else {
-		status = AE_NOT_FOUND;
 	}
 out:
 	return status;