diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq_stats.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq_stats.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c index 3597f25d5efa..0bddb8e694d9 100644 --- a/drivers/cpufreq/cpufreq_stats.c +++ b/drivers/cpufreq/cpufreq_stats.c @@ -193,11 +193,15 @@ cpufreq_stats_create_table (struct cpufreq_policy *policy, unsigned int cpu = policy->cpu; if (cpufreq_stats_table[cpu]) return -EBUSY; - if ((stat = kmalloc(sizeof(struct cpufreq_stats), GFP_KERNEL)) == NULL) + if ((stat = kzalloc(sizeof(struct cpufreq_stats), GFP_KERNEL)) == NULL) return -ENOMEM; - memset(stat, 0, sizeof (struct cpufreq_stats)); data = cpufreq_cpu_get(cpu); + if (data == NULL) { + ret = -EINVAL; + goto error_get_fail; + } + if ((ret = sysfs_create_group(&data->kobj, &stats_attr_group))) goto error_out; @@ -217,12 +221,11 @@ cpufreq_stats_create_table (struct cpufreq_policy *policy, alloc_size += count * count * sizeof(int); #endif stat->max_state = count; - stat->time_in_state = kmalloc(alloc_size, GFP_KERNEL); + stat->time_in_state = kzalloc(alloc_size, GFP_KERNEL); if (!stat->time_in_state) { ret = -ENOMEM; goto error_out; } - memset(stat->time_in_state, 0, alloc_size); stat->freq_table = (unsigned int *)(stat->time_in_state + count); #ifdef CONFIG_CPU_FREQ_STAT_DETAILS @@ -245,6 +248,7 @@ cpufreq_stats_create_table (struct cpufreq_policy *policy, return 0; error_out: cpufreq_cpu_put(data); +error_get_fail: kfree(stat); cpufreq_stats_table[cpu] = NULL; return ret; |