[CPUFREQ] x86_64: Proper null pointer check in powernow_k8_get
This prevents crashes on dual core system when enough ticks are lost. Replaces earlier patch by me. (Duplicate null data check in powernowk8_get() removed -- davej) arch/i386/kernel/cpu/cpufreq/powernow-k8.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) Signed-off-by: NThomas Renninger <trenn@suse.de> Signed-off-by: NAndi Kleen <ak@suse.de> Signed-off-by: NDave Jones <davej@redhat.com>
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