From 2c45b6feb394337b4b468229632b8737375caf1d Mon Sep 17 00:00:00 2001 From: "C. Adam Oldham" Date: Thu, 2 Jun 2005 17:16:34 -0400 Subject: [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 Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/usblp.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/usb/class') diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index bba22e97ea0f..dff134185c18 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -379,6 +379,8 @@ static int usblp_open(struct inode *inode, struct file *file) 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; -- cgit v1.2.3