linux-kernel - [PATCH] ____call_usermodehelper: don't flush

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Message-ID: <20070226215330.GA403@tv-sign.ru>
Date:	Tue, 27 Feb 2007 00:53:30 +0300
From:	Oleg Nesterov <oleg@...sign.ru>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Rusty Russell <rusty@...tcorp.com.au>,
	Srivatsa Vaddagiri <vatsa@...ibm.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-kernel@...r.kernel.org
Subject: [PATCH] ____call_usermodehelper: don't flush_signals()

____call_usermodehelper() has no reason for flush_signals(). It is a fresh
forked process which is going to exec a user-space application or exit on
failure.

Signed-off-by: Oleg Nesterov <oleg@...sign.ru>

--- WQ/kernel/kmod.c~	2007-02-18 22:56:49.000000000 +0300
+++ WQ/kernel/kmod.c	2007-02-27 00:05:08.000000000 +0300
@@ -256,7 +256,6 @@ static int ____call_usermodehelper(void 
 
 	/* Unblock all signals and set the session keyring. */
 	new_session = key_get(sub_info->ring);
-	flush_signals(current);
 	spin_lock_irq(&current->sighand->siglock);
 	old_session = __install_session_keyring(current, new_session);
 	flush_signal_handlers(current, 1);

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