With "-W -Wno-unused -Wno-sign-compare" I get the following compile warning:
CC kernel/workqueue.o
kernel/workqueue.c: In function `workqueue_cpu_callback':
kernel/workqueue.c:504: warning: ordered comparison of pointer with integer zero
On error create_workqueue_thread() returns NULL, not negative pointer
(duh!), so following trivial patch suggests itself.
Signed-off-by: Mika Kukkonen <[email protected]>
--- linux-2.6.orig/kernel/workqueue.c 2005-08-03 22:17:33.296479048 +0300
+++ linux-2.6/kernel/workqueue.c 2005-08-03 22:30:11.960984648 +0300
@@ -501,7 +501,7 @@
case CPU_UP_PREPARE:
/* Create a new workqueue thread for it. */
list_for_each_entry(wq, &workqueues, list) {
- if (create_workqueue_thread(wq, hotcpu) < 0) {
+ if (!create_workqueue_thread(wq, hotcpu)) {
printk("workqueue for %i failed\n", hotcpu);
return NOTIFY_BAD;
}
-
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