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* [PATCH -next] ACPI / CPPC: fix error return code in acpi_cppc_processor_probe()
@ 2016-09-07 15:39 Wei Yongjun
  0 siblings, 0 replies; only message in thread
From: Wei Yongjun @ 2016-09-07 15:39 UTC (permalink / raw)
  To: Rafael J . Wysocki, Len Brown; +Cc: Wei Yongjun, linux-acpi

From: Wei Yongjun <weiyongjun1@huawei.com>

Fix to return error code -ENODEV from the get_cpu_device() error
handling case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 drivers/acpi/cppc_acpi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index ed58883..480a7e1 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -766,8 +766,10 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
 
 	/* Add per logical CPU nodes for reading its feedback counters. */
 	cpu_dev = get_cpu_device(pr->id);
-	if (!cpu_dev)
+	if (!cpu_dev) {
+		ret = -ENODEV;
 		goto out_free;
+	}
 
 	ret = kobject_init_and_add(&cpc_ptr->kobj, &cppc_ktype, &cpu_dev->kobj,
 			"acpi_cppc");


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