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drm/amd/pm: use kcalloc in phm table copy helpers

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Use kcalloc() so multiplication overflow is detected
and allocation fails safely for phm table copy helpers.

Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Candice Li 2026-05-20 12:14:37 +08:00 committed by Alex Deucher
parent 66a856e3e5
commit 05465e2a13
1 changed files with 4 additions and 6 deletions
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10
drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu_helper.c
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@ -49,11 +49,10 @@ int phm_copy_clock_limits_array(
const uint32_t *pptable_array,
uint32_t power_saving_clock_count)
{
uint32_t array_size, i;
uint32_t i;
uint32_t *table;
array_size = sizeof(uint32_t) * power_saving_clock_count;
table = kzalloc(array_size, GFP_KERNEL);
table = kcalloc(power_saving_clock_count, sizeof(uint32_t), GFP_KERNEL);
if (NULL == table)
return -ENOMEM;
@ -71,11 +70,10 @@ int phm_copy_overdrive_settings_limits_array(
const uint32_t *pptable_array,
uint32_t od_setting_count)
{
uint32_t array_size, i;
uint32_t i;
uint32_t *table;
array_size = sizeof(uint32_t) * od_setting_count;
table = kzalloc(array_size, GFP_KERNEL);
table = kcalloc(od_setting_count, sizeof(uint32_t), GFP_KERNEL);
if (NULL == table)
return -ENOMEM;