Let the kememdup_array() take care about multiplication and possible
overflows.
v2:
- Change subject
- Leave one blank line between the commit log and the tag section
- Fix code alignment issue
v3:
- Fix code alignment
- Apply the patch on a clean drm-tip
Signed-off-by: Yu Jiaoliang <yujiaoliang@xxxxxxxx>
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/gt/intel_workarounds.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 09a287c1aedd..3ac0213c711f 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -111,9 +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),
- GFP_KERNEL);
+ struct i915_wa *list = kmemdup_array(wal->list, wal->count,
+ sizeof(*list), GFP_KERNEL);
if (list) {
kfree(wal->list);
--
2.34.1
