diff options
Diffstat (limited to 'drivers/usb/musb/musb_host.c')
| -rw-r--r-- | drivers/usb/musb/musb_host.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index fcd72b54c85..17b5c189250 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -291,6 +291,7 @@ __acquires(musb->lock) urb->actual_length, urb->transfer_buffer_length ); + usb_hcd_unlink_urb_from_ep(musb_to_hcd(musb), urb); spin_unlock(&musb->lock); usb_hcd_giveback_urb(musb_to_hcd(musb), urb, status); spin_lock(&musb->lock); @@ -353,8 +354,6 @@ musb_giveback(struct musb_qh *qh, struct urb *urb, int status) break; } - usb_hcd_unlink_urb_from_ep(musb_to_hcd(musb), urb); - qh->is_ready = 0; __musb_giveback(musb, urb, status); qh->is_ready = ready; @@ -1791,7 +1790,9 @@ static int musb_urb_enqueue( */ qh = kzalloc(sizeof *qh, mem_flags); if (!qh) { + spin_lock_irqsave(&musb->lock, flags); usb_hcd_unlink_urb_from_ep(hcd, urb); + spin_unlock_irqrestore(&musb->lock, flags); return -ENOMEM; } @@ -1907,7 +1908,9 @@ static int musb_urb_enqueue( done: if (ret != 0) { + spin_lock_irqsave(&musb->lock, flags); usb_hcd_unlink_urb_from_ep(hcd, urb); + spin_unlock_irqrestore(&musb->lock, flags); kfree(qh); } return ret; |