diff options
Diffstat (limited to 'kernel/trace/trace.c')
-rw-r--r-- | kernel/trace/trace.c | 8 |
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 | ||
2225 | err_unlock: | 2226 | err_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 | ||