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@tv-sign.ru>
Acked-by: Duncan Sands <duncan.sands@free.fr>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index b082d95bbbaae87f1a42c607ac67f75e33f34152..11e9b15ca45a35fb7c37e84fef91e07c54b2b507 100644 (file)
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -1033,7 +1033,7 @@ static int usbatm_do_heavy_init(void *arg)
 
 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);