From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 16 Aug 2013 07:16:59 +0000 (+0300)
Subject: USB: mos7720: use GFP_ATOMIC under spinlock
X-Git-Tag: next-20130822~28^2~2
X-Git-Url: https://git.karo-electronics.de/?p=karo-tx-linux.git;a=commitdiff_plain;h=d0bd9a41186e076ea543c397ad8a67a6cf604b55

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 b01300164fc0..248fda6d06f8 100644
--- 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);