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

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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@vivo.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240821144036.343556-1-andi.shyti@linux.intel.com
This commit is contained in:
Yu Jiaoliang 2024-08-21 16:40:36 +02:00 committed by Andi Shyti
parent 6628851159
commit 3126d5fff5
1 changed files with 2 additions and 3 deletions
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5
drivers/gpu/drm/i915/gt/intel_workarounds.c
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@ -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);