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>

6 files changed, 24 insertions, 21 deletions

diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 8b17babf5c..4ac021e42c 100644
--- a/drivers/usb/core/hcd.c
+++ b/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 */
diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index 745be2566f..729b7a03ac 100644
--- a/drivers/usb/core/hcd.h
+++ b/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 */
 
diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c
index 3d6f03819f..f06e4e2b49 100644
--- a/drivers/usb/mon/mon_bin.c
+++ b/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)
diff --git a/drivers/usb/mon/mon_main.c b/drivers/usb/mon/mon_main.c
index 2e317bd79e..b371ffd39d 100644
--- a/drivers/usb/mon/mon_main.c
+++ b/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); */
diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c
index 663a702a17..ebb04ac485 100644
--- a/drivers/usb/mon/mon_text.c
+++ b/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)
diff --git a/drivers/usb/mon/usb_mon.h b/drivers/usb/mon/usb_mon.h
index f68ad6d99a..f5d84ff8c1 100644
--- a/drivers/usb/mon/usb_mon.h
+++ b/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);