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usb: gadget: renesas_usbhs: usbhsh_ureq_alloc/free() care urb->hcpriv 

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Kuninori Morimoto 2011-10-31 00:47:01 -07:00 коммит произвёл Felipe Balbi
Родитель ee8a0bf5a7
Коммит fc9d5c79f6
1 изменённых файлов: 3 добавлений и 9 удалений
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12
drivers/usb/renesas_usbhs/mod_host.c
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@ -239,6 +239,7 @@ static struct usbhsh_request *usbhsh_ureq_alloc(struct usbhsh_hpriv *hpriv,
*/
list_add_tail(&ureq->ureq_link, &hpriv->ureq_link_active);
ureq->urb = urb;
usbhsh_urb_to_ureq(urb) = ureq;
return ureq;
}
@ -254,6 +255,7 @@ static void usbhsh_ureq_free(struct usbhsh_hpriv *hpriv,
* removed from "active" list,
* and push it to "free" list
*/
usbhsh_urb_to_ureq(ureq->urb) = NULL;
ureq->urb = NULL;
list_del_init(&ureq->ureq_link);
list_add_tail(&ureq->ureq_link, &hpriv->ureq_link_free);
@ -495,7 +497,6 @@ static void usbhsh_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt)
urb->actual_length = pkt->actual;
usbhsh_ureq_free(hpriv, ureq);
usbhsh_urb_to_ureq(urb) = NULL;
usb_hcd_unlink_urb_from_ep(hcd, urb);
usb_hcd_giveback_urb(hcd, urb, 0);
@ -523,7 +524,6 @@ static int usbhsh_queue_push(struct usb_hcd *hcd,
dev_err(dev, "ureq alloc fail\n");
return -ENOMEM;
}
usbhsh_urb_to_ureq(urb) = ureq;
if (usb_pipein(urb->pipe))
pipe->handler = &usbhs_fifo_pio_pop_handler;
@ -606,12 +606,10 @@ static void usbhsh_data_stage_packet_done(struct usbhs_priv *priv,
{
struct usbhsh_request *ureq = usbhsh_pkt_to_ureq(pkt);
struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
struct urb *urb = ureq->urb;
/* this ureq was connected to urb when usbhsh_urb_enqueue() */
usbhsh_ureq_free(hpriv, ureq);
usbhsh_urb_to_ureq(urb) = NULL;
}
static int usbhsh_data_stage_packet_push(struct usbhsh_hpriv *hpriv,
@ -626,7 +624,6 @@ static int usbhsh_data_stage_packet_push(struct usbhsh_hpriv *hpriv,
ureq = usbhsh_ureq_alloc(hpriv, urb, mem_flags);
if (unlikely(!ureq))
return -ENOMEM;
usbhsh_urb_to_ureq(urb) = ureq;
if (usb_pipein(urb->pipe))
pipe->handler = &usbhs_dcp_data_stage_in_handler;
@ -656,7 +653,6 @@ static int usbhsh_status_stage_packet_push(struct usbhsh_hpriv *hpriv,
ureq = usbhsh_ureq_alloc(hpriv, urb, mem_flags);
if (unlikely(!ureq))
return -ENOMEM;
usbhsh_urb_to_ureq(urb) = ureq;
if (usb_pipein(urb->pipe))
pipe->handler = &usbhs_dcp_status_stage_in_handler;
@ -811,10 +807,8 @@ static int usbhsh_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
struct usbhsh_hpriv *hpriv = usbhsh_hcd_to_hpriv(hcd);
struct usbhsh_request *ureq = usbhsh_urb_to_ureq(urb);
if (ureq) {
if (ureq)
usbhsh_ureq_free(hpriv, ureq);
usbhsh_urb_to_ureq(urb) = NULL;
}
return 0;
}