ChangeSet 1.1595.7.17, 2003/07/30 13:19:15-07:00, oliver@neukum.org

[PATCH] USB: fix race condition in usblp_write

  - fix timeout handling


 drivers/usb/class/usblp.c |    6 ++++++
 1 files changed, 6 insertions(+)


diff -Nru a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
--- a/drivers/usb/class/usblp.c	Fri Aug  1 10:54:58 2003
+++ b/drivers/usb/class/usblp.c	Fri Aug  1 10:54:58 2003
@@ -626,6 +626,12 @@
 				}
 			}
 			remove_wait_queue(&usblp->wait, &wait);
+			if (!timeout) {
+				/* we timed out and need to bail out cleanly */
+				usb_unlink_urb(usblp->writeurb);
+				return writecount ? writecount : -EIO;
+			}
+
 		}
 
 		down (&usblp->sem);