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: v3.0.97~19
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d723c89020d4f5f54b42997ae5e90f13bc620d8b;p=thirdparty%2Fkernel%2Fstable.git

USB: mos7720: use GFP_ATOMIC under spinlock

commit d0bd9a41186e076ea543c397ad8a67a6cf604b55 upstream.

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>
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 267dff941d63c..90f7ad57ebc34 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -383,7 +383,7 @@ 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);