Commit 3126d5ff authored by Yu Jiaoliang's avatar Yu Jiaoliang Committed by Andi Shyti
Browse files

drm/i915/gt: Use kmemdup_array instead of kmemdup for multiple allocation 



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: default avatarYu Jiaoliang <yujiaoliang@vivo.com>
Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
Reviewed-by: default avatarAndi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: default avatarAndi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240821144036.343556-1-andi.shyti@linux.intel.com
parent 66288511

drivers/gpu/drm/i915/gt/intel_workarounds.c

+2 −3
Original line number Diff line number Diff line
@@ -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);