linux-kernel - [PATCH 2/2] zd1211rw: improve ejecting of fake CDROM

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Date:	Tue,  8 Dec 2009 15:21:35 +0100
From:	Stefan Seyfried <stefan.seyfried@...glemail.com>
To:	linux-wireless@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Stefan Seyfried <seife@...airon.com>
Subject: [PATCH 2/2] zd1211rw: improve ejecting of fake CDROM

From: Stefan Seyfried <seife@...airon.com>

The zd1211rw always assumed that the storage device is at endpoint 1,
but there are devices (Spairon Homelink 1202) that are at endpoint 0.
Try both, starting with 1 to make sure to not break existing setups.

Signed-off-by: Stefan Seyfried <seife@...airon.com>
---
 drivers/net/wireless/zd1211rw/zd_usb.c |   14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c
index ac19ecd..4daf1c9 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zd1211rw/zd_usb.c
@@ -1078,11 +1078,15 @@ static int eject_installer(struct usb_interface *intf)
 	int r;
 
 	/* Find bulk out endpoint */
-	endpoint = &iface_desc->endpoint[1].desc;
-	if (usb_endpoint_dir_out(endpoint) &&
-	    usb_endpoint_xfer_bulk(endpoint)) {
-		bulk_out_ep = endpoint->bEndpointAddress;
-	} else {
+	for (r = 1; r >= 0; r--) {
+		endpoint = &iface_desc->endpoint[r].desc;
+		if (usb_endpoint_dir_out(endpoint) &&
+		    usb_endpoint_xfer_bulk(endpoint)) {
+			bulk_out_ep = endpoint->bEndpointAddress;
+			break;
+		}
+	}
+	if (r == -1) {
 		dev_err(&udev->dev,
 			"zd1211rw: Could not find bulk out endpoint\n");
 		return -ENODEV;
-- 
1.6.5.3

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