From: Coywolf Qi Hunt <qiyong@fc-cn.com>
Date: Sun, 30 Oct 2005 23:02:47 +0000 (-0800)
Subject: [PATCH] PF_DEAD cleanup
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7407251a0e2ed099e4b12b742b635503e981507c;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[PATCH] PF_DEAD cleanup

The PF_DEAD setting doesn't belong to exit_notify(), move it to a proper
place.

Signed-off-by: Coywolf Qi Hunt <qiyong@fc-cn.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/kernel/exit.c b/kernel/exit.c
index 79f52b85d6ed..6ef8f7356a74 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -783,10 +783,6 @@ static void exit_notify(struct task_struct *tsk)
 	/* If the process is dead, release it - nobody will wait for it */
 	if (state == EXIT_DEAD)
 		release_task(tsk);
-
-	/* PF_DEAD causes final put_task_struct after we schedule. */
-	preempt_disable();
-	tsk->flags |= PF_DEAD;
 }
 
 fastcall NORET_TYPE void do_exit(long code)
@@ -873,7 +869,11 @@ fastcall NORET_TYPE void do_exit(long code)
 	tsk->mempolicy = NULL;
 #endif
 
-	BUG_ON(!(current->flags & PF_DEAD));
+	/* PF_DEAD causes final put_task_struct after we schedule. */
+	preempt_disable();
+	BUG_ON(tsk->flags & PF_DEAD);
+	tsk->flags |= PF_DEAD;
+
 	schedule();
 	BUG();
 	/* Avoid "noreturn function does return".  */