workqueue: Use IS_ERR and PTR_ERR instead of PTR_ERR_OR_ZERO.
Replace inline function PTR_ERR_OR_ZERO with IS_ERR and PTR_ERR to
remove redundant parameter definitions and checks.
Reduce code size.
Before:
text data bss dec hex filename
47510 5979 840 54329 d439 kernel/workqueue.o
After:
text data bss dec hex filename
47474 5979 840 54293 d415 kernel/workqueue.o
Signed-off-by: Sean Fu <fxinrong@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 891ccad..ddf0537 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -4197,7 +4197,6 @@
static int init_rescuer(struct workqueue_struct *wq)
{
struct worker *rescuer;
- int ret;
if (!(wq->flags & WQ_MEM_RECLAIM))
return 0;
@@ -4208,10 +4207,9 @@
rescuer->rescue_wq = wq;
rescuer->task = kthread_create(rescuer_thread, rescuer, "%s", wq->name);
- ret = PTR_ERR_OR_ZERO(rescuer->task);
- if (ret) {
+ if (IS_ERR(rescuer->task)) {
kfree(rescuer);
- return ret;
+ return PTR_ERR(rescuer->task);
}
wq->rescuer = rescuer;