Am 04.09.2016 um 04:36 schrieb Edward O'Callaghan:
Save a few clocks by replacing calls to kmalloc followed by memcpy
with a single call to kmemdup.
Signed-off-by: Edward O'Callaghan <funfunc...@folklore1984.net>
Reviewed-by: Christian König <christian.koe...@amd.com>.
---
drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 2de34a5..5ff1124 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -765,15 +765,12 @@ static int pp_dpm_set_pp_table(void *handle, const char
*buf, size_t size)
PP_CHECK_HW(hwmgr);
if (!hwmgr->hardcode_pp_table) {
- hwmgr->hardcode_pp_table =
- kzalloc(hwmgr->soft_pp_table_size, GFP_KERNEL);
+ hwmgr->hardcode_pp_table = kmemdup(hwmgr->soft_pp_table,
+ hwmgr->soft_pp_table_size,
+ GFP_KERNEL);
if (!hwmgr->hardcode_pp_table)
return -ENOMEM;
-
- /* to avoid powerplay crash when hardcode pptable is empty */
- memcpy(hwmgr->hardcode_pp_table, hwmgr->soft_pp_table,
- hwmgr->soft_pp_table_size);
}
memcpy(hwmgr->hardcode_pp_table, buf, size);
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