Both "slots" and "slots_ret" are only need to be freed when cache already
allocated. Make them closer, seems more clear.
No functional change.
Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
---
mm/swap_slots.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/mm/swap_slots.c b/mm/swap_slots.c
index 0975adc72253..01609b5f0c55 100644
--- a/mm/swap_slots.c
+++ b/mm/swap_slots.c
@@ -136,9 +136,16 @@ static int alloc_swap_slot_cache(unsigned int cpu)
mutex_lock(&swap_slots_cache_mutex);
cache = &per_cpu(swp_slots, cpu);
- if (cache->slots || cache->slots_ret)
+ if (cache->slots || cache->slots_ret) {
/* cache already allocated */
- goto out;
+ mutex_unlock(&swap_slots_cache_mutex);
+
+ kvfree(slots);
+ kvfree(slots_ret);
+
+ return 0;
+ }
+
if (!cache->lock_initialized) {
mutex_init(&cache->alloc_lock);
spin_lock_init(&cache->free_lock);
@@ -155,15 +162,8 @@ static int alloc_swap_slot_cache(unsigned int cpu)
*/
mb();
cache->slots = slots;
- slots = NULL;
cache->slots_ret = slots_ret;
- slots_ret = NULL;
-out:
mutex_unlock(&swap_slots_cache_mutex);
- if (slots)
- kvfree(slots);
- if (slots_ret)
- kvfree(slots_ret);
return 0;
}
--
2.26.0.106.g9fadedd
