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Diffstat (limited to 'kernel/trace/trace.c')
-rw-r--r--kernel/trace/trace.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index c1878bfb2e1e..076fa6f0ee48 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2191,11 +2191,12 @@ tracing_cpumask_write(struct file *filp, const char __user *ubuf,
2191 if (!alloc_cpumask_var(&tracing_cpumask_new, GFP_KERNEL)) 2191 if (!alloc_cpumask_var(&tracing_cpumask_new, GFP_KERNEL))
2192 return -ENOMEM; 2192 return -ENOMEM;
2193 2193
2194 mutex_lock(&tracing_cpumask_update_lock);
2195 err = cpumask_parse_user(ubuf, count, tracing_cpumask_new); 2194 err = cpumask_parse_user(ubuf, count, tracing_cpumask_new);
2196 if (err) 2195 if (err)
2197 goto err_unlock; 2196 goto err_unlock;
2198 2197
2198 mutex_lock(&tracing_cpumask_update_lock);
2199
2199 local_irq_disable(); 2200 local_irq_disable();
2200 __raw_spin_lock(&ftrace_max_lock); 2201 __raw_spin_lock(&ftrace_max_lock);
2201 for_each_tracing_cpu(cpu) { 2202 for_each_tracing_cpu(cpu) {
@@ -2223,8 +2224,7 @@ tracing_cpumask_write(struct file *filp, const char __user *ubuf,
2223 return count; 2224 return count;
2224 2225
2225err_unlock: 2226err_unlock:
2226 mutex_unlock(&tracing_cpumask_update_lock); 2227 free_cpumask_var(tracing_cpumask_new);
2227 free_cpumask_var(tracing_cpumask);
2228 2228
2229 return err; 2229 return err;
2230} 2230}
@@ -3626,7 +3626,7 @@ tracing_stats_read(struct file *filp, char __user *ubuf,
3626 struct trace_seq *s; 3626 struct trace_seq *s;
3627 unsigned long cnt; 3627 unsigned long cnt;
3628 3628
3629 s = kmalloc(sizeof(*s), GFP_ATOMIC); 3629 s = kmalloc(sizeof(*s), GFP_KERNEL);
3630 if (!s) 3630 if (!s)
3631 return ENOMEM; 3631 return ENOMEM;
3632 3632