diff options
| author | Kurt Roeckx <kurt@roeckx.be> | 2009-09-16 17:09:32 +0200 |
|---|---|---|
| committer | Dave Jones <davej@redhat.com> | 2009-09-16 17:18:55 +0200 |
| commit | f0adb134d8dc9993a9998dc50845ec4f6ff4fadc (patch) | |
| tree | e709b5a0bc21ced0ac07fb9839c4c99cdd3bc7e5 /arch/x86/kernel/cpu | |
| parent | [CPUFREQ] Create a blacklist for processors that should not load the acpi-cpu... (diff) | |
| download | linux-f0adb134d8dc9993a9998dc50845ec4f6ff4fadc.tar.xz linux-f0adb134d8dc9993a9998dc50845ec4f6ff4fadc.zip | |
[CPUFREQ] Fix NULL ptr regression in powernow-k8
Fixes bugzilla #13780
From: Kurt Roeckx <kurt@roeckx.be>
Signed-off-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'arch/x86/kernel/cpu')
| -rw-r--r-- | arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c index 0cbce0481a54..6394aa5c7985 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c @@ -605,9 +605,10 @@ static int check_pst_table(struct powernow_k8_data *data, struct pst_s *pst, return 0; } -static void invalidate_entry(struct powernow_k8_data *data, unsigned int entry) +static void invalidate_entry(struct cpufreq_frequency_table *powernow_table, + unsigned int entry) { - data->powernow_table[entry].frequency = CPUFREQ_ENTRY_INVALID; + powernow_table[entry].frequency = CPUFREQ_ENTRY_INVALID; } static void print_basics(struct powernow_k8_data *data) @@ -915,13 +916,13 @@ static int fill_powernow_table_pstate(struct powernow_k8_data *data, "bad value %d.\n", i, index); printk(KERN_ERR PFX "Please report to BIOS " "manufacturer\n"); - invalidate_entry(data, i); + invalidate_entry(powernow_table, i); continue; } rdmsr(MSR_PSTATE_DEF_BASE + index, lo, hi); if (!(hi & HW_PSTATE_VALID_MASK)) { dprintk("invalid pstate %d, ignoring\n", index); - invalidate_entry(data, i); + invalidate_entry(powernow_table, i); continue; } @@ -970,7 +971,7 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data, /* verify frequency is OK */ if ((freq > (MAX_FREQ * 1000)) || (freq < (MIN_FREQ * 1000))) { dprintk("invalid freq %u kHz, ignoring\n", freq); - invalidate_entry(data, i); + invalidate_entry(powernow_table, i); continue; } @@ -978,7 +979,7 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data, * BIOSs are using "off" to indicate invalid */ if (vid == VID_OFF) { dprintk("invalid vid %u, ignoring\n", vid); - invalidate_entry(data, i); + invalidate_entry(powernow_table, i); continue; } @@ -988,7 +989,7 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data, (unsigned int) (data->acpi_data.states[i].core_frequency * 1000)); - invalidate_entry(data, i); + invalidate_entry(powernow_table, i); continue; } } |