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authorColin Cross <ccross@android.com>2011-10-27 15:01:19 -0700
committerColin Cross <ccross@android.com>2011-10-27 15:01:19 -0700
commit2bb3e310159b65c88caf0c67a20ed257568be267 (patch)
treee4ad01c06a9e27939781c5dd9d0cb92e6fcd54d5 /drivers/cpufreq
parent2f53cb72c1574d3880d9e88e254b756565fe2f6d (diff)
parent97596c34030ed28657ccafddb67e17a03890b90a (diff)
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Merge commit 'v3.0.8' into android-3.0
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r--drivers/cpufreq/pcc-cpufreq.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c
index 7b0603e..cdc02ac 100644
--- a/drivers/cpufreq/pcc-cpufreq.c
+++ b/drivers/cpufreq/pcc-cpufreq.c
@@ -261,6 +261,9 @@ static int pcc_get_offset(int cpu)
pr = per_cpu(processors, cpu);
pcc_cpu_data = per_cpu_ptr(pcc_cpu_info, cpu);
+ if (!pr)
+ return -ENODEV;
+
status = acpi_evaluate_object(pr->handle, "PCCP", NULL, &buffer);
if (ACPI_FAILURE(status))
return -ENODEV;