USB: atm: usbatm: clean up urb->status usage

This done in anticipation of removal of urb->status, which will make
that patch easier to review and apply in the future.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index 11e9b15..e717f5b 100644 (file)
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -257,9 +257,10 @@ static void usbatm_complete(struct urb *urb)
 {
        struct usbatm_channel *channel = urb->context;
        unsigned long flags;
+       int status = urb->status;
 
        vdbg("%s: urb 0x%p, status %d, actual_length %d",
-            __func__, urb, urb->status, urb->actual_length);
+            __func__, urb, status, urb->actual_length);
 
        /* usually in_interrupt(), but not always */
        spin_lock_irqsave(&channel->lock, flags);
@@ -269,16 +270,16 @@ static void usbatm_complete(struct urb *urb)
 
        spin_unlock_irqrestore(&channel->lock, flags);
 
-       if (unlikely(urb->status) &&
+       if (unlikely(status) &&
                        (!(channel->usbatm->flags & UDSL_IGNORE_EILSEQ) ||
-                        urb->status != -EILSEQ ))
+                        status != -EILSEQ ))
        {
-               if (urb->status == -ESHUTDOWN)
+               if (status == -ESHUTDOWN)
                        return;
 
                if (printk_ratelimit())
                        atm_warn(channel->usbatm, "%s: urb 0x%p failed (%d)!\n",
-                               __func__, urb, urb->status);
+                               __func__, urb, status);
                /* throttle processing in case of an error */
                mod_timer(&channel->delay, jiffies + msecs_to_jiffies(THROTTLE_MSECS));
        } else