From: Pete Zaitcev <zaitcev@redhat.com>
Date: Wed, 24 May 2006 18:04:04 +0000 (-0700)
Subject: [PATCH] USB: rmmod pl2303 after -28
X-Git-Tag: v2.6.18-rc1~858^2~60
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2f8ad9a1b91bc6856860a2fea8b07e0c82c0ad0a;p=platform%2Fkernel%2Flinux-exynos.git

[PATCH] USB: rmmod pl2303 after -28

Wait for the scheduled work to finish before freeing memory, prevent oops.
http://bugzilla.kernel.org/show_bug.cgi?id=6596

Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 7a1cc1b..cbca340 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -162,6 +162,8 @@ static void destroy_serial(struct kref *kref)
 		}
 	}
 
+	flush_scheduled_work();		/* port->work */
+
 	usb_put_dev(serial->dev);
 
 	/* free up any memory that we allocated */