[PATCH v1] drivers:gt:Switch to use kmemdup_array()

[Yu Jiaoliang]

Let the kememdup_array() take care about multiplication and possible
overflows.
Signed-off-by: Yu Jiaoliang <yujiaoliang at vivo.com>
---
 drivers/gpu/drm/i915/gt/intel_workarounds.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 09a287c1aedd..d90348c56765 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -111,8 +111,8 @@ static void wa_init_finish(struct i915_wa_list *wal)
 {
 	/* Trim unused entries. */
 	if (!IS_ALIGNED(wal->count, WA_LIST_CHUNK)) {
-		struct i915_wa *list = kmemdup(wal->list,
-					       wal->count * sizeof(*list),
+		struct i915_wa *list = kmemdup_array(wal->list,
+					       wal->count, sizeof(*list),
 					       GFP_KERNEL);
 
 		if (list) {
-- 
2.34.1