ces_entered should be put in a critical section to avoid race condition.
Signed-off-by: WANG Chao <[email protected]>
---
drivers/ras/cec.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index 2e0bf1269c31..702e4c02c713 100644
--- a/drivers/ras/cec.c
+++ b/drivers/ras/cec.c
@@ -286,10 +286,10 @@ int cec_add_elem(u64 pfn)
if (!ce_arr.array || ce_arr.disabled)
return -ENODEV;
- ca->ces_entered++;
-
mutex_lock(&ce_mutex);
+ ca->ces_entered++;
+
if (ca->n == MAX_ELEMS)
WARN_ON(!del_lru_elem_unlocked(ca));
--
2.21.0
