RAS/CEC: Increment cec_entered under the mutex lock

Modify ->cec_entered in the critical section of the mutex. Signed-off-by: WANG Chao <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Cc: Tony Luck <[email protected]> Cc: linux-edac <[email protected]> Link: https://lkml.kernel.org/r/[email protected]
devinus · Apr 20, 2019 · 09cbd21 · 09cbd21
1 parent 28156d7
commit 09cbd21
Showing 1 changed file with 2 additions and 2 deletions.
diff --git 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));