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path: root/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
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Diffstat (limited to 'arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c')
-rw-r--r--arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
index 994230d4dc4..4f6f679f279 100644
--- a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
@@ -368,16 +368,22 @@ static int __init pcc_cpufreq_do_osc(acpi_handle *handle)
368 return -ENODEV; 368 return -ENODEV;
369 369
370 out_obj = output.pointer; 370 out_obj = output.pointer;
371 if (out_obj->type != ACPI_TYPE_BUFFER) 371 if (out_obj->type != ACPI_TYPE_BUFFER) {
372 return -ENODEV; 372 ret = -ENODEV;
373 goto out_free;
374 }
373 375
374 errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0); 376 errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0);
375 if (errors) 377 if (errors) {
376 return -ENODEV; 378 ret = -ENODEV;
379 goto out_free;
380 }
377 381
378 supported = *((u32 *)(out_obj->buffer.pointer + 4)); 382 supported = *((u32 *)(out_obj->buffer.pointer + 4));
379 if (!(supported & 0x1)) 383 if (!(supported & 0x1)) {
380 return -ENODEV; 384 ret = -ENODEV;
385 goto out_free;
386 }
381 387
382out_free: 388out_free:
383 kfree(output.pointer); 389 kfree(output.pointer);