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authorIngo Molnar <mingo@kernel.org>2014-01-13 11:44:41 +0100
committerIngo Molnar <mingo@kernel.org>2014-01-13 11:44:41 +0100
commit1c62448e39285b23b4770aaf46d32368fff990df (patch)
treec6c6cf1a80a762a5859bfdaf3941294a47ea8eee /drivers/cpufreq/intel_pstate.c
parent47933ad41a86a4a9b50bed7c9b9bd2ba242aac63 (diff)
parent7e22e91102c6b9df7c4ae2168910e19d2bb14cd6 (diff)
Merge tag 'v3.13-rc8' into core/locking
Refresh the tree with the latest fixes, before applying new changes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
-rw-r--r--drivers/cpufreq/intel_pstate.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 5f1cbae3696..d51f17ed691 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -581,7 +581,8 @@ static void intel_pstate_timer_func(unsigned long __data)
}
#define ICPU(model, policy) \
- { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, (unsigned long)&policy }
+ { X86_VENDOR_INTEL, 6, model, X86_FEATURE_APERFMPERF,\
+ (unsigned long)&policy }
static const struct x86_cpu_id intel_pstate_cpu_ids[] = {
ICPU(0x2a, core_params),
@@ -614,6 +615,11 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
cpu = all_cpu_data[cpunum];
intel_pstate_get_cpu_pstates(cpu);
+ if (!cpu->pstate.current_pstate) {
+ all_cpu_data[cpunum] = NULL;
+ kfree(cpu);
+ return -ENODATA;
+ }
cpu->cpu = cpunum;