linux-kernel - [PATCH 2/5] uas: properly reinitialize in uas_eh_bus_reset

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Date:	Mon,  2 Sep 2013 13:25:26 +0200
From:	Gerd Hoffmann <kraxel@...hat.com>
To:	linux-usb@...r.kernel.org
Cc:	Gerd Hoffmann <kraxel@...hat.com>,
	Matthew Wilcox <willy@...ux.intel.com>,
	Sarah Sharp <sarah.a.sharp@...ux.intel.com>,
	Matthew Dharm <mdharm-usb@...-eyed-alien.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-scsi@...r.kernel.org (open list:USB ATTACHED SCSI),
	usb-storage@...ts.one-eyed-alien.net (open list:USB MASS STORAGE...),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 2/5] uas: properly reinitialize in uas_eh_bus_reset_handler

Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
---
 drivers/usb/storage/uas.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index d966b59..f89202f 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -85,6 +85,8 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
 				struct uas_dev_info *devinfo, gfp_t gfp);
 static void uas_do_work(struct work_struct *work);
 static int uas_try_complete(struct scsi_cmnd *cmnd, const char *caller);
+static void uas_configure_endpoints(struct uas_dev_info *devinfo);
+static void uas_free_streams(struct uas_dev_info *devinfo);
 
 static DECLARE_WORK(uas_work, uas_do_work);
 static DEFINE_SPINLOCK(uas_work_lock);
@@ -800,7 +802,11 @@ static int uas_eh_bus_reset_handler(struct scsi_cmnd *cmnd)
 	usb_kill_anchored_urbs(&devinfo->cmd_urbs);
 	usb_kill_anchored_urbs(&devinfo->sense_urbs);
 	usb_kill_anchored_urbs(&devinfo->data_urbs);
+	uas_free_streams(devinfo);
 	err = usb_reset_device(udev);
+	if (!err) {
+		uas_configure_endpoints(devinfo);
+	}
 	devinfo->resetting = 0;
 
 	if (err) {
-- 
1.8.3.1

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