There is only one caller which hands in save_trace as function pointer.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
kernel/locking/lockdep.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -2158,8 +2158,7 @@ check_deadlock(struct task_struct *curr,
*/
static int
check_prev_add(struct task_struct *curr, struct held_lock *prev,
- struct held_lock *next, int distance, struct stack_trace *trace,
- int (*save)(struct stack_trace *trace))
+ struct held_lock *next, int distance, struct stack_trace *trace)
{
struct lock_list *uninitialized_var(target_entry);
struct lock_list *entry;
@@ -2199,11 +2198,11 @@ check_prev_add(struct task_struct *curr,
if (unlikely(!ret)) {
if (!trace->entries) {
/*
- * If @save fails here, the printing might trigger
- * a WARN but because of the !nr_entries it should
- * not do bad things.
+ * If save_trace fails here, the printing might
+ * trigger a WARN but because of the !nr_entries it
+ * should not do bad things.
*/
- save(trace);
+ save_trace(trace);
}
return print_circular_bug(&this, target_entry, next, prev);
}
@@ -2253,7 +2252,7 @@ check_prev_add(struct task_struct *curr,
return print_bfs_bug(ret);
- if (!trace->entries && !save(trace))
+ if (!trace->entries && !save_trace(trace))
return 0;
/*
@@ -2318,7 +2317,8 @@ check_prevs_add(struct task_struct *curr
* added:
*/
if (hlock->read != 2 && hlock->check) {
- int ret = check_prev_add(curr, hlock, next, distance, &trace, save_trace);
+ int ret = check_prev_add(curr, hlock, next, distance,
+ &trace);
if (!ret)
return 0;
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