Commit d6643d12 authored by Hiroshi Shimamoto's avatar Hiroshi Shimamoto Committed by Ingo Molnar

latencytop: fix memory leak on latency proc file

At lstats_open(), calling get_proc_task() gets task struct, but it never put.
put_task_struct() should be called when releasing.
Signed-off-by: default avatarHiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent ae002786
......@@ -360,6 +360,15 @@ static int lstats_open(struct inode *inode, struct file *file)
return ret;
}
static int lstats_release(struct inode *inode, struct file *file)
{
struct seq_file *m = file->private_data;
struct task_struct *task = m->private;
put_task_struct(task);
return single_release(inode, file);
}
static ssize_t lstats_write(struct file *file, const char __user *buf,
size_t count, loff_t *offs)
{
......@@ -378,7 +387,7 @@ static const struct file_operations proc_lstats_operations = {
.read = seq_read,
.write = lstats_write,
.llseek = seq_lseek,
.release = single_release,
.release = lstats_release,
};
#endif
......
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