linux-kernel - [PATCH v3 4/4 -mmotm] copy_signal() cleanup: clean tty_audit

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Message-ID: <20091215102017.GE9134@darkmag.usersys.redhat.com>
Date:	Tue, 15 Dec 2009 11:20:17 +0100
From:	Veaceslav Falico <vfalico@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Oleg Nesterov <oleg@...hat.com>, linux-kernel@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Al Viro <viro@...iv.linux.org.uk>,
	Miloslav Trmac <mitr@...hat.com>,
	James Morris <jmorris@...ei.org>,
	Alan Cox <alan@...ux.intel.com>, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Renaud Lottiaux <renaud.lottiaux@...labs.com>,
	Louis Rilling <louis.rilling@...labs.com>,
	David Howells <dhowells@...hat.com>,
	Stanislaw Gruszka <sgruszka@...hat.com>
Subject: [PATCH v3 4/4 -mmotm] copy_signal() cleanup: clean tty_audit_fork()

Remove unneeded initialization in tty_audit_fork().
It is called only via copy_signal() and is useless after
the kmem_cache_zalloc() was used.

Signed-off-by: Veaceslav Falico <vfalico@...hat.com>
---
diff --git a/drivers/char/tty_audit.c b/drivers/char/tty_audit.c
index ac16fbe..283a15b 100644
--- a/drivers/char/tty_audit.c
+++ b/drivers/char/tty_audit.c
@@ -148,7 +148,6 @@ void tty_audit_fork(struct signal_struct *sig)
 	spin_lock_irq(&current->sighand->siglock);
 	sig->audit_tty = current->signal->audit_tty;
 	spin_unlock_irq(&current->sighand->siglock);
-	sig->tty_audit_buf = NULL;
 }
 
 /**
--
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