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ACPI/IORT: Rework iort_match_node_callback() return value handling

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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>
This commit is contained in:
Hanjun Guo 2017-03-07 20:39:58 +08:00 committed by Lorenzo Pieralisi
parent 6cb6bf56dc
commit c92bdfe8e7
1 changed files with 2 additions and 6 deletions
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8
drivers/acpi/arm64/iort.c
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@ -253,17 +253,15 @@ static acpi_status iort_match_node_callback(struct acpi_iort_node *node,
void *context) void *context)
{ {
struct device *dev = context; struct device *dev = context;
acpi_status status; acpi_status status = AE_NOT_FOUND;
if (node->type == ACPI_IORT_NODE_NAMED_COMPONENT) { if (node->type == ACPI_IORT_NODE_NAMED_COMPONENT) {
struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER, NULL }; struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER, NULL };
struct acpi_device *adev = to_acpi_device_node(dev->fwnode); struct acpi_device *adev = to_acpi_device_node(dev->fwnode);
struct acpi_iort_named_component *ncomp; struct acpi_iort_named_component *ncomp;
if (!adev) { if (!adev)
status = AE_NOT_FOUND;
goto out; goto out;
}
status = acpi_get_name(adev->handle, ACPI_FULL_PATHNAME, &buf); status = acpi_get_name(adev->handle, ACPI_FULL_PATHNAME, &buf);
if (ACPI_FAILURE(status)) { 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) ? status = pci_rc->pci_segment_number == pci_domain_nr(bus) ?
AE_OK : AE_NOT_FOUND; AE_OK : AE_NOT_FOUND;
} else {
status = AE_NOT_FOUND;
} }
out: out:
return status; return status;