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-rw-r--r--drivers/lightnvm/pblk-init.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index 0e37104de596..72ad3e70318c 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -347,23 +347,19 @@ fail_destroy_ws:
static int pblk_get_global_caches(void)
{
- int ret;
+ int ret = 0;
mutex_lock(&pblk_caches.mutex);
- if (kref_read(&pblk_caches.kref) > 0) {
- kref_get(&pblk_caches.kref);
- mutex_unlock(&pblk_caches.mutex);
- return 0;
- }
+ if (kref_get_unless_zero(&pblk_caches.kref))
+ goto out;
ret = pblk_create_global_caches();
-
if (!ret)
- kref_get(&pblk_caches.kref);
+ kref_init(&pblk_caches.kref);
+out:
mutex_unlock(&pblk_caches.mutex);
-
return ret;
}