[7/7] remove casting of __detach_pid() results to void

[William Lee Irwin III]

On Wed, Sep 01, 2004 at 10:35:29AM -0700, William Lee Irwin III wrote:
> The renaming of ->pid_chain was spurious; the following patch backs it out.

Casting an expression to void to ignore the result is only necessary
for __must_check function calls and in the interior of nop macros. The
following patch backs out the addition of void casts on the result of
__detach_pid().


Index: kirill-2.6.9-rc1-mm2/kernel/pid.c
===================================================================
--- kirill-2.6.9-rc1-mm2.orig/kernel/pid.c	2004-09-01 10:16:27.524209800 -0700
+++ kirill-2.6.9-rc1-mm2/kernel/pid.c	2004-09-01 10:17:50.529591064 -0700
@@ -234,13 +234,13 @@
  */
 void switch_exec_pids(task_t *leader, task_t *thread)
 {
-	(void)__detach_pid(leader, PIDTYPE_PID);
-	(void)__detach_pid(leader, PIDTYPE_TGID);
-	(void)__detach_pid(leader, PIDTYPE_PGID);
-	(void)__detach_pid(leader, PIDTYPE_SID);
+	__detach_pid(leader, PIDTYPE_PID);
+	__detach_pid(leader, PIDTYPE_TGID);
+	__detach_pid(leader, PIDTYPE_PGID);
+	__detach_pid(leader, PIDTYPE_SID);
 
-	(void)__detach_pid(thread, PIDTYPE_PID);
-	(void)__detach_pid(thread, PIDTYPE_TGID);
+	__detach_pid(thread, PIDTYPE_PID);
+	__detach_pid(thread, PIDTYPE_TGID);
 
 	leader->pid = leader->tgid = thread->pid;
 	thread->pid = thread->tgid;
-
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