ftrace: add ftrace_kill_atomic

[linux-2.6] / drivers / cpufreq / cpufreq.c

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 86f0a24306246400d46694f3c38ad604fdd5df99..1d41496ed2f83b648e1311ee8fecccbd56ad741d 100644 (file)
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -412,7 +412,7 @@ static int cpufreq_parse_governor(char *str_governor, unsigned int *policy,
                                int ret;
 
                                mutex_unlock(&cpufreq_governor_mutex);
-                               ret = request_module(name);
+                               ret = request_module("%s", name);
                                mutex_lock(&cpufreq_governor_mutex);
 
                                if (ret == 0)
@@ -625,7 +625,7 @@ static ssize_t store_scaling_setspeed(struct cpufreq_policy *policy,
        unsigned int freq = 0;
        unsigned int ret;
 
-       if (!policy->governor->store_setspeed)
+       if (!policy->governor || !policy->governor->store_setspeed)
                return -EINVAL;
 
        ret = sscanf(buf, "%u", &freq);
@@ -639,7 +639,7 @@ static ssize_t store_scaling_setspeed(struct cpufreq_policy *policy,
 
 static ssize_t show_scaling_setspeed(struct cpufreq_policy *policy, char *buf)
 {
-       if (!policy->governor->show_setspeed)
+       if (!policy->governor || !policy->governor->show_setspeed)
                return sprintf(buf, "<unsupported>\n");
 
        return policy->governor->show_setspeed(policy, buf);