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path: root/drivers/usb/class/usblp.c
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Diffstat (limited to 'drivers/usb/class/usblp.c')
-rw-r--r--drivers/usb/class/usblp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index bba22e9..7ce43fb 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;
@@ -751,6 +753,7 @@ static ssize_t usblp_read(struct file *file, char __user *buffer, size_t count,
schedule();
} else {
set_current_state(TASK_RUNNING);
+ down(&usblp->sem);
break;
}
down (&usblp->sem);