diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/i386/kernel/cpu/cpufreq/powernow-k8.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c index 6ba497c47df..30bb6fd5b2b 100644 --- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c @@ -46,7 +46,7 @@ #define PFX "powernow-k8: " #define BFX PFX "BIOS error: " -#define VERSION "version 1.60.1" +#define VERSION "version 1.60.2" #include "powernow-k8.h" /* serialize freq changes */ @@ -910,6 +910,9 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi unsigned int newstate; int ret = -EIO; + if (!data) + return -EINVAL; + /* only run on specific CPU from here on */ oldmask = current->cpus_allowed; set_cpus_allowed(current, cpumask_of_cpu(pol->cpu)); @@ -969,6 +972,9 @@ static int powernowk8_verify(struct cpufreq_policy *pol) { struct powernow_k8_data *data = powernow_data[pol->cpu]; + if (!data) + return -EINVAL; + return cpufreq_frequency_table_verify(pol, data->powernow_table); } |