USB: remove traces of urb->status from usbcore

This patch (as981) removes the remaining nontrivial usages of
urb->status from usbcore.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index b9f1edd..e5ad76b 100644 (file)
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -71,6 +71,7 @@ struct async {
        void __user *userbuffer;
        void __user *userurb;
        struct urb *urb;
+       int status;
        u32 secid;
 };
 
@@ -310,9 +311,10 @@ static void async_completed(struct urb *urb)
         spin_lock(&ps->lock);
         list_move_tail(&as->asynclist, &ps->async_completed);
         spin_unlock(&ps->lock);
+       as->status = urb->status;
        if (as->signr) {
                sinfo.si_signo = as->signr;
-               sinfo.si_errno = as->urb->status;
+               sinfo.si_errno = as->status;
                sinfo.si_code = SI_ASYNCIO;
                sinfo.si_addr = as->userurb;
                kill_pid_info_as_uid(as->signr, &sinfo, as->pid, as->uid,
@@ -1132,7 +1134,7 @@ static int processcompl(struct async *as, void __user * __user *arg)
        if (as->userbuffer)
                if (copy_to_user(as->userbuffer, urb->transfer_buffer, urb->transfer_buffer_length))
                        return -EFAULT;
-       if (put_user(urb->status, &userurb->status))
+       if (put_user(as->status, &userurb->status))
                return -EFAULT;
        if (put_user(urb->actual_length, &userurb->actual_length))
                return -EFAULT;
@@ -1246,7 +1248,7 @@ static int processcompl_compat(struct async *as, void __user * __user *arg)
        if (as->userbuffer)
                if (copy_to_user(as->userbuffer, urb->transfer_buffer, urb->transfer_buffer_length))
                        return -EFAULT;
-       if (put_user(urb->status, &userurb->status))
+       if (put_user(as->status, &userurb->status))
                return -EFAULT;
        if (put_user(urb->actual_length, &userurb->actual_length))
                return -EFAULT;

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 4c495c4..bd08d51 100644 (file)
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -347,11 +347,11 @@ void usb_kick_khubd(struct usb_device *hdev)
 static void hub_irq(struct urb *urb)
 {
        struct usb_hub *hub = urb->context;
-       int status;
+       int status = urb->status;
        int i;
        unsigned long bits;
 
-       switch (urb->status) {
+       switch (status) {
        case -ENOENT:           /* synchronous unlink */
        case -ECONNRESET:       /* async unlink */
        case -ESHUTDOWN:        /* hardware going away */
@@ -359,10 +359,10 @@ static void hub_irq(struct urb *urb)
 
        default:                /* presumably an error */
                /* Cause a hub reset after 10 consecutive errors */
-               dev_dbg (hub->intfdev, "transfer --> %d\n", urb->status);
+               dev_dbg (hub->intfdev, "transfer --> %d\n", status);
                if ((++hub->nerrors < 10) || hub->error)
                        goto resubmit;
-               hub->error = urb->status;
+               hub->error = status;
                /* FALL THROUGH */
 
        /* let khubd handle things */