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-rw-r--r--kernel/lockdep_proc.c29
1 files changed, 7 insertions, 22 deletions
diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c
index 2bbe25f55d0..8dac8402e07 100644
--- a/kernel/lockdep_proc.c
+++ b/kernel/lockdep_proc.c
@@ -383,7 +383,6 @@ struct lock_stat_data {
};
struct lock_stat_seq {
- struct lock_stat_data *iter;
struct lock_stat_data *iter_end;
struct lock_stat_data stats[MAX_LOCKDEP_KEYS];
};
@@ -571,34 +570,22 @@ static void seq_header(struct seq_file *m)
static void *ls_start(struct seq_file *m, loff_t *pos)
{
struct lock_stat_seq *data = m->private;
+ struct lock_stat_data *iter;
if (*pos == 0)
return SEQ_START_TOKEN;
- data->iter = data->stats + (*pos - 1);
- if (data->iter >= data->iter_end)
- data->iter = NULL;
+ iter = data->stats + (*pos - 1);
+ if (iter >= data->iter_end)
+ iter = NULL;
- return data->iter;
+ return iter;
}
static void *ls_next(struct seq_file *m, void *v, loff_t *pos)
{
- struct lock_stat_seq *data = m->private;
-
(*pos)++;
-
- if (v == SEQ_START_TOKEN)
- data->iter = data->stats;
- else {
- data->iter = v;
- data->iter++;
- }
-
- if (data->iter == data->iter_end)
- data->iter = NULL;
-
- return data->iter;
+ return ls_start(m, pos);
}
static void ls_stop(struct seq_file *m, void *v)
@@ -636,7 +623,6 @@ static int lock_stat_open(struct inode *inode, struct file *file)
struct lock_stat_data *iter = data->stats;
struct seq_file *m = file->private_data;
- data->iter = iter;
list_for_each_entry(class, &all_lock_classes, lock_entry) {
iter->class = class;
iter->stats = lock_stats(class);
@@ -644,7 +630,7 @@ static int lock_stat_open(struct inode *inode, struct file *file)
}
data->iter_end = iter;
- sort(data->stats, data->iter_end - data->iter,
+ sort(data->stats, data->iter_end - data->stats,
sizeof(struct lock_stat_data),
lock_stat_cmp, NULL);
@@ -679,7 +665,6 @@ static int lock_stat_release(struct inode *inode, struct file *file)
struct seq_file *seq = file->private_data;
vfree(seq->private);
- seq->private = NULL;
return seq_release(inode, file);
}