diff --git a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c
index 5700bcc7ad9a..6f5c27bdc1e9 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c
@@ -665,6 +665,9 @@ static int pp_dpm_set_pp_table(void *handle, const char *buf, size_t size)
 	if (!hwmgr || !hwmgr->pm_en)
 		return -EINVAL;
 
+	if (size > hwmgr->soft_pp_table_size)
+		return -EINVAL;
+
 	if (!hwmgr->hardcode_pp_table) {
 		hwmgr->hardcode_pp_table = kmemdup(hwmgr->soft_pp_table,
 						   hwmgr->soft_pp_table_size,