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USB: reorganize urb->status use in usbmon
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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>
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Alan Stern authored and Greg Kroah-Hartman committed Oct 12, 2007
1 parent 888fda4 commit 9347d51
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Showing 6 changed files with 24 additions and 21 deletions.
2 changes: 1 addition & 1 deletion drivers/usb/core/hcd.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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 */
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10 changes: 6 additions & 4 deletions drivers/usb/core/hcd.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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); */
};

Expand All @@ -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);
Expand All @@ -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 */

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10 changes: 5 additions & 5 deletions drivers/usb/mon/mon_bin.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -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;

Expand All @@ -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)
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11 changes: 6 additions & 5 deletions drivers/usb/mon/mon_main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand All @@ -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); */
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10 changes: 5 additions & 5 deletions drivers/usb/mon/mon_text.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand All @@ -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;
Expand Down Expand Up @@ -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)
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2 changes: 1 addition & 1 deletion drivers/usb/mon/usb_mon.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand Down

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