drm/vc4: cleanup with list_first_entry_or_null()

The combo of list_empty() check and return list_first_entry()
can be replaced with list_first_entry_or_null().

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Masahiro Yamada 2016-09-13 03:35:20 +09:00 committed by Eric Anholt
parent c2cbc38b97
commit 57b9f56944

View File

@ -307,18 +307,15 @@ struct vc4_exec_info {
static inline struct vc4_exec_info *
vc4_first_bin_job(struct vc4_dev *vc4)
{
if (list_empty(&vc4->bin_job_list))
return NULL;
return list_first_entry(&vc4->bin_job_list, struct vc4_exec_info, head);
return list_first_entry_or_null(&vc4->bin_job_list,
struct vc4_exec_info, head);
}
static inline struct vc4_exec_info *
vc4_first_render_job(struct vc4_dev *vc4)
{
if (list_empty(&vc4->render_job_list))
return NULL;
return list_first_entry(&vc4->render_job_list,
struct vc4_exec_info, head);
return list_first_entry_or_null(&vc4->render_job_list,
struct vc4_exec_info, head);
}
static inline struct vc4_exec_info *