struct bin_attribute *bin_attr,
char *buf, loff_t pos, size_t count)
{
- size_t max_read;
ssize_t ret;
mutex_lock(&smi_data_lock);
-
- if (pos >= smi_data_buf_size) {
- ret = 0;
- goto out;
- }
-
- max_read = smi_data_buf_size - pos;
- ret = min(max_read, count);
- memcpy(buf, smi_data_buf + pos, ret);
-out:
+ ret = memory_read_from_buffer(buf, count, &pos, smi_data_buf,
+ smi_data_buf_size);
mutex_unlock(&smi_data_lock);
return ret;
}
static int smi_request(struct smi_cmd *smi_cmd)
{
cpumask_t old_mask;
+ cpumask_of_cpu_ptr(new_mask, 0);
int ret = 0;
if (smi_cmd->magic != SMI_CMD_MAGIC) {
/* SMI requires CPU 0 */
old_mask = current->cpus_allowed;
- set_cpus_allowed_ptr(current, &cpumask_of_cpu(0));
+ set_cpus_allowed_ptr(current, new_mask);
if (smp_processor_id() != 0) {
dev_dbg(&dcdbas_pdev->dev, "%s: failed to get CPU 0\n",
__func__);