linux-kernel - [PATCH] pnpbios_thread_init: don't use CLONE

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Message-ID: <20070412235632.GA1053@tv-sign.ru>
Date:	Fri, 13 Apr 2007 03:56:32 +0400
From:	Oleg Nesterov <oleg@...sign.ru>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Adam Belay <ambx1@....rr.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] pnpbios_thread_init: don't use CLONE_SIGHAND

pnp_dock_thread() calls allow_signal() which plays with parent process's
->sighand.

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

--- 2.6.21-rc5/drivers/pnp/pnpbios/core.c~3_pnp	2006-12-17 19:06:40.000000000 +0300
+++ 2.6.21-rc5/drivers/pnp/pnpbios/core.c	2007-04-13 03:44:34.000000000 +0400
@@ -589,7 +589,7 @@ static int __init pnpbios_thread_init(vo
 		return 0;
 #ifdef CONFIG_HOTPLUG
 	init_completion(&unload_sem);
-	if (kernel_thread(pnp_dock_thread, NULL, CLONE_KERNEL) > 0)
+	if (kernel_thread(pnp_dock_thread, NULL, CLONE_FS | CLONE_FILES) > 0)
 		unloading = 0;
 #endif
 	return 0;

-
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