diff options
| -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); |
