USB: mos7720: use GFP_ATOMIC under spinlock

The write_parport_reg_nonblock() function shouldn't sleep because it's
called with spinlocks held.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@vger.kernel.org
Acked-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index b01300164fc03cd26cbc81d62afd5a647c04d8be..248fda6d06f8d3df38b8e44c52594878fa380c90 100644 (file)
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -374,7 +374,7 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport,
                kfree(urbtrack);
                return -ENOMEM;
        }
-       urbtrack->setup = kmalloc(sizeof(*urbtrack->setup), GFP_KERNEL);
+       urbtrack->setup = kmalloc(sizeof(*urbtrack->setup), GFP_ATOMIC);
        if (!urbtrack->setup) {
                usb_free_urb(urbtrack->urb);
                kfree(urbtrack);