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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.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 9a1478972bf..5192cd9356d 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -289,16 +289,17 @@ static int proto_bias = -1;
static void usblp_bulk_read(struct urb *urb)
{
struct usblp *usblp = urb->context;
+ int status = urb->status;
if (usblp->present && usblp->used) {
- if (urb->status)
+ if (status)
printk(KERN_WARNING "usblp%d: "
"nonzero read bulk status received: %d\n",
- usblp->minor, urb->status);
+ usblp->minor, status);
}
spin_lock(&usblp->lock);
- if (urb->status < 0)
- usblp->rstatus = urb->status;
+ if (status < 0)
+ usblp->rstatus = status;
else
usblp->rstatus = urb->actual_length;
usblp->rcomplete = 1;
@@ -311,16 +312,17 @@ static void usblp_bulk_read(struct urb *urb)
static void usblp_bulk_write(struct urb *urb)
{
struct usblp *usblp = urb->context;
+ int status = urb->status;
if (usblp->present && usblp->used) {
- if (urb->status)
+ if (status)
printk(KERN_WARNING "usblp%d: "
"nonzero write bulk status received: %d\n",
- usblp->minor, urb->status);
+ usblp->minor, status);
}
spin_lock(&usblp->lock);
- if (urb->status < 0)
- usblp->wstatus = urb->status;
+ if (status < 0)
+ usblp->wstatus = status;
else
usblp->wstatus = urb->actual_length;
usblp->wcomplete = 1;
@@ -741,10 +743,11 @@ static ssize_t usblp_write(struct file *file, const char __user *buffer, size_t
*/
rv = usblp_wwait(usblp, !!(file->f_flags&O_NONBLOCK));
if (rv < 0) {
- /*
- * If interrupted, we simply leave the URB to dangle,
- * so the ->release will call usb_kill_urb().
- */
+ if (rv == -EAGAIN) {
+ /* Presume that it's going to complete well. */
+ writecount += transfer_length;
+ }
+ /* Leave URB dangling, to be cleaned on close. */
goto collect_error;
}