cpufreq: OMAP: put clk if cpu_init failed

Release the mpu_clk in fail paths.

Reported-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>

1 files changed, 11 insertions, 3 deletions

diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c
index 8f778b9dbb4..8c5419201ac 100644
--- a/drivers/cpufreq/omap-cpufreq.c
+++ b/drivers/cpufreq/omap-cpufreq.c
@@ -158,8 +158,10 @@ static int __cpuinit omap_cpu_init(struct cpufreq_policy *policy)
         if (IS_ERR(mpu_clk))
                 return PTR_ERR(mpu_clk);
 
-        if (policy->cpu >= NR_CPUS)
-                return -EINVAL;
+        if (policy->cpu >= NR_CPUS) {
+                result = -EINVAL;
+                goto fail_ck;
+        }
 
         policy->cur = policy->min = policy->max = omap_getspeed(policy->cpu);
         result = opp_init_cpufreq_table(mpu_dev, &freq_table);
@@ -167,12 +169,14 @@ static int __cpuinit omap_cpu_init(struct cpufreq_policy *policy)
         if (result) {
                 dev_err(mpu_dev, "%s: cpu%d: failed creating freq table[%d]\n",
                                 __func__, policy->cpu, result);
-                return result;
+                goto fail_ck;
         }
 
         result = cpufreq_frequency_table_cpuinfo(policy, freq_table);
         if (!result)
                 cpufreq_frequency_table_get_attr(freq_table, policy->cpu);
+        else
+                goto fail_ck;
 
         policy->min = policy->cpuinfo.min_freq;
         policy->max = policy->cpuinfo.max_freq;
@@ -194,6 +198,10 @@ static int __cpuinit omap_cpu_init(struct cpufreq_policy *policy)
         policy->cpuinfo.transition_latency = 300 * 1000;
 
         return 0;
+
+fail_ck:
+        clk_put(mpu_clk);
+        return result;
 }
 
 static int omap_cpu_exit(struct cpufreq_policy *policy)