USB: reorganize urb->status use in usbmon

This patch (as978) reorganizes the way usbmon uses urb->status.  It
now accepts the status value as an argument.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/core/hcd.c

@@ -1275,7 +1275,7 @@ void usb_hcd_giveback_urb (struct usb_hcd *hcd, struct urb *urb)
 		urb->status = -EREMOTEIO;
 
 	unmap_urb_for_dma(hcd, urb);
-	usbmon_urb_complete(&hcd->self, urb);
+	usbmon_urb_complete(&hcd->self, urb, urb->status);
 	usb_unanchor_urb(urb);
 
 	/* pass ownership to the completion handler */

drivers/usb/core/hcd.h

@@ -413,7 +413,7 @@ static inline void usbfs_cleanup(void) { }
 struct usb_mon_operations {
 	void (*urb_submit)(struct usb_bus *bus, struct urb *urb);
 	void (*urb_submit_error)(struct usb_bus *bus, struct urb *urb, int err);
-	void (*urb_complete)(struct usb_bus *bus, struct urb *urb);
+	void (*urb_complete)(struct usb_bus *bus, struct urb *urb, int status);
 	/* void (*urb_unlink)(struct usb_bus *bus, struct urb *urb); */
 };
 
@@ -432,10 +432,11 @@ static inline void usbmon_urb_submit_error(struct usb_bus *bus, struct urb *urb,
 		(*mon_ops->urb_submit_error)(bus, urb, error);
 }
 
-static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb)
+static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb,
+		int status)
 {
 	if (bus->monitored)
-		(*mon_ops->urb_complete)(bus, urb);
+		(*mon_ops->urb_complete)(bus, urb, status);
 }
 
 int usb_mon_register(struct usb_mon_operations *ops);
@@ -446,7 +447,8 @@ void usb_mon_deregister(void);
 static inline void usbmon_urb_submit(struct usb_bus *bus, struct urb *urb) {}
 static inline void usbmon_urb_submit_error(struct usb_bus *bus, struct urb *urb,
     int error) {}
-static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb) {}
+static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb,
+		int status) {}
 
 #endif /* CONFIG_USB_MON */
 

drivers/usb/mon/mon_bin.c

@@ -386,7 +386,7 @@ static char mon_bin_get_data(const struct mon_reader_bin *rp,
 }
 
 static void mon_bin_event(struct mon_reader_bin *rp, struct urb *urb,
-    char ev_type)
+    char ev_type, int status)
 {
 	const struct usb_endpoint_descriptor *epd = &urb->ep->desc;
 	unsigned long flags;
@@ -452,7 +452,7 @@ static void mon_bin_event(struct mon_reader_bin *rp, struct urb *urb,
 	ep->id = (unsigned long) urb;
 	ep->ts_sec = ts.tv_sec;
 	ep->ts_usec = ts.tv_usec;
-	ep->status = urb->status;
+	ep->status = status;
 	ep->len_urb = urb_length;
 	ep->len_cap = length;
 
@@ -475,13 +475,13 @@ static void mon_bin_event(struct mon_reader_bin *rp, struct urb *urb,
 static void mon_bin_submit(void *data, struct urb *urb)
 {
 	struct mon_reader_bin *rp = data;
-	mon_bin_event(rp, urb, 'S');
+	mon_bin_event(rp, urb, 'S', -EINPROGRESS);
 }
 
-static void mon_bin_complete(void *data, struct urb *urb)
+static void mon_bin_complete(void *data, struct urb *urb, int status)
 {
 	struct mon_reader_bin *rp = data;
-	mon_bin_event(rp, urb, 'C');
+	mon_bin_event(rp, urb, 'C', status);
 }
 
 static void mon_bin_error(void *data, struct urb *urb, int error)

drivers/usb/mon/mon_main.c

@@ -129,7 +129,8 @@ static void mon_submit_error(struct usb_bus *ubus, struct urb *urb, int error)
 
 /*
  */
-static void mon_bus_complete(struct mon_bus *mbus, struct urb *urb)
+static void mon_bus_complete(struct mon_bus *mbus, struct urb *urb,
+		int status)
 {
 	unsigned long flags;
 	struct list_head *pos;
@@ -139,18 +140,18 @@ static void mon_bus_complete(struct mon_bus *mbus, struct urb *urb)
 	mbus->cnt_events++;
 	list_for_each (pos, &mbus->r_list) {
 		r = list_entry(pos, struct mon_reader, r_link);
-		r->rnf_complete(r->r_data, urb);
+		r->rnf_complete(r->r_data, urb, status);
 	}
 	spin_unlock_irqrestore(&mbus->lock, flags);
 }
 
-static void mon_complete(struct usb_bus *ubus, struct urb *urb)
+static void mon_complete(struct usb_bus *ubus, struct urb *urb, int status)
 {
 	struct mon_bus *mbus;
 
 	if ((mbus = ubus->mon_bus) != NULL)
-		mon_bus_complete(mbus, urb);
-	mon_bus_complete(&mon_bus0, urb);
+		mon_bus_complete(mbus, urb, status);
+	mon_bus_complete(&mon_bus0, urb, status);
 }
 
 /* int (*unlink_urb) (struct urb *urb, int status); */

drivers/usb/mon/mon_text.c

@@ -183,7 +183,7 @@ static inline unsigned int mon_get_timestamp(void)
 }
 
 static void mon_text_event(struct mon_reader_text *rp, struct urb *urb,
-    char ev_type)
+    char ev_type, int status)
 {
 	struct mon_event_text *ep;
 	unsigned int stamp;
@@ -210,7 +210,7 @@ static void mon_text_event(struct mon_reader_text *rp, struct urb *urb,
 	ep->length = (ev_type == 'S') ?
 	    urb->transfer_buffer_length : urb->actual_length;
 	/* Collecting status makes debugging sense for submits, too */
-	ep->status = urb->status;
+	ep->status = status;
 
 	if (ep->xfertype == USB_ENDPOINT_XFER_INT) {
 		ep->interval = urb->interval;
@@ -248,13 +248,13 @@ static void mon_text_event(struct mon_reader_text *rp, struct urb *urb,
 static void mon_text_submit(void *data, struct urb *urb)
 {
 	struct mon_reader_text *rp = data;
-	mon_text_event(rp, urb, 'S');
+	mon_text_event(rp, urb, 'S', -EINPROGRESS);
 }
 
-static void mon_text_complete(void *data, struct urb *urb)
+static void mon_text_complete(void *data, struct urb *urb, int status)
 {
 	struct mon_reader_text *rp = data;
-	mon_text_event(rp, urb, 'C');
+	mon_text_event(rp, urb, 'C', status);
 }
 
 static void mon_text_error(void *data, struct urb *urb, int error)

drivers/usb/mon/usb_mon.h

@@ -46,7 +46,7 @@ struct mon_reader {
 
 	void (*rnf_submit)(void *data, struct urb *urb);
 	void (*rnf_error)(void *data, struct urb *urb, int error);
-	void (*rnf_complete)(void *data, struct urb *urb);
+	void (*rnf_complete)(void *data, struct urb *urb, int status);
 };
 
 void mon_reader_add(struct mon_bus *mbus, struct mon_reader *r);