2006-11-16 02:45:55

by Chris Wright

[permalink] [raw]
Subject: [patch 11/30] USB: failure in usblps error path

-stable review patch. If anyone has any objections, please let us know.
------------------

From: Oliver Neukum <[email protected]>

if urb submission fails due to a transient error here eg. ENOMEM
, the driver is dead. This fixes it.

Regards
Oliver

Signed-off-by: Oliver Neukum <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
---

drivers/usb/class/usblp.c | 1 +
1 file changed, 1 insertion(+)

--- linux-2.6.18.2.orig/drivers/usb/class/usblp.c
+++ linux-2.6.18.2/drivers/usb/class/usblp.c
@@ -701,6 +701,7 @@ static ssize_t usblp_write(struct file *
usblp->wcomplete = 0;
err = usb_submit_urb(usblp->writeurb, GFP_KERNEL);
if (err) {
+ usblp->wcomplete = 1;
if (err != -ENOMEM)
count = -EIO;
else

--