diff options
Diffstat (limited to 'arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c')
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c | 18 |
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 994230d4dc4e..4f6f679f2799 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 | ||
382 | out_free: | 388 | out_free: |
383 | kfree(output.pointer); | 389 | kfree(output.pointer); |