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

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Message-ID: <20070412235631.GA1050@tv-sign.ru>
Date:	Fri, 13 Apr 2007 03:56:31 +0400
From:	Oleg Nesterov <oleg@...sign.ru>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Duncan Sands <baldrick@...e.fr>, linux-kernel@...r.kernel.org
Subject: [PATCH] usbatm_heavy_init: don't use CLONE_SIGHAND

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

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

--- 2.6.21-rc5/drivers/usb/atm/usbatm.c~usbatm	2006-11-27 21:19:30.000000000 +0300
+++ 2.6.21-rc5/drivers/usb/atm/usbatm.c	2007-04-13 03:34:56.000000000 +0400
@@ -1019,7 +1019,7 @@ static int usbatm_do_heavy_init(void *ar
 
 static int usbatm_heavy_init(struct usbatm_data *instance)
 {
-	int ret = kernel_thread(usbatm_do_heavy_init, instance, CLONE_KERNEL);
+	int ret = kernel_thread(usbatm_do_heavy_init, instance, CLONE_FS | CLONE_FILES);
 
 	if (ret < 0) {
 		usb_err(instance, "%s: failed to create kernel_thread (%d)!\n", __func__, ret);

-
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