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authorArnd Bergmann <arnd@arndb.de>2011-10-20 18:32:02 +0200
committerArnd Bergmann <arnd@arndb.de>2011-10-20 18:32:02 +0200
commit91056a63a7d8dbc817747a22d9a9490463323575 (patch)
treea220d265d01075c05f4cd35d998e65849bb47bc8 /drivers/cpufreq
parent05d900c9d8ce536c6792efb323c82b1c97b54bf9 (diff)
parentf2d8df92f69b8c719ca1a46d2615b168b2cc9cdf (diff)
Merge branch 'imx-cleanups-for-arnd' of git://git.pengutronix.de/git/imx/linux-2.6 into imx/cleanup
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 7b0603eb0129..cdc02ac8f41a 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;