From 98611e4e6a2b4a03fd2d4750cce8e4455a995c8d Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Thu, 23 Jan 2014 15:55:52 -0800
Subject: exec: kill task_struct->did_exec

We can kill either task->did_exec or PF_FORKNOEXEC, they are mutually
exclusive.  The patch kills ->did_exec because it has a single user.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/exec.c | 1 -
 1 file changed, 1 deletion(-)

(limited to 'fs/exec.c')

diff --git a/fs/exec.c b/fs/exec.c
index f860866e04ba..493b102a27c1 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1424,7 +1424,6 @@ static int exec_binprm(struct linux_binprm *bprm)
 		audit_bprm(bprm);
 		trace_sched_process_exec(current, old_pid, bprm);
 		ptrace_event(PTRACE_EVENT_EXEC, old_vpid);
-		current->did_exec = 1;
 		proc_exec_connector(current);
 	}
 
-- 
cgit v1.2.3