[PATCH] USB: Fix race condition in usblp_write
Initialize status fields in the read and write urbs to prevent a race
condition with open/read/close - open/write/close sequences.
Fixes bug #4432 at bugzilla.kernel.org
Signed-off-by: Adam Oldham <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
commit 2c45b6feb394337b4b468229632b8737375caf1d
tree fc212281c5e750a6d0b3d0148007462f96c1728c
parent 5da0106f0b9b13afa4a902c01d4c98b002df55ff
author C. Adam Oldham <[EMAIL PROTECTED]> Thu, 02 Jun 2005 17:16:34 -0400
committer Greg Kroah-Hartman <[EMAIL PROTECTED]> Mon, 27 Jun 2005 14:44:01 -0700
drivers/usb/class/usblp.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -379,6 +379,8 @@ static int usblp_open(struct inode *inod
usblp->writeurb->transfer_buffer_length = 0;
usblp->wcomplete = 1; /* we begin writeable */
usblp->rcomplete = 0;
+ usblp->writeurb->status = 0;
+ usblp->readurb->status = 0;
if (usblp->bidir) {
usblp->readcount = 0;
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