diff options
| author | Alan Stern <stern@rowland.harvard.edu> | 2007-05-23 13:58:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-23 20:14:14 -0700 |
| commit | ae2d990eede0ef5938c210d48a177c044258ecd8 (patch) | |
| tree | 7b4647fee2ef54f65583b1daaf406a88935b58ff /drivers/isdn/hisax/hfc_usb.c | |
| parent | 9d9a2000e683ecd497b65d5f3e73b048c68976e1 (diff) | |
HiSax: fix error checking for hisax_register()]
This patch (as875) adds error-checking to the callers of hisax_register().
It also changes an error pathway in that routine, making it return an error
code rather than 0.
This fixes Bugzilla #7960.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Karsten Keil <kkeil@suse.de>
Cc: Martin Bachem <info@colognechip.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/isdn/hisax/hfc_usb.c')
| -rw-r--r-- | drivers/isdn/hisax/hfc_usb.c | 43 |
1 files changed, 18 insertions, 25 deletions
diff --git a/drivers/isdn/hisax/hfc_usb.c b/drivers/isdn/hisax/hfc_usb.c index 1f18f199338..b1a26e02df0 100644 --- a/drivers/isdn/hisax/hfc_usb.c +++ b/drivers/isdn/hisax/hfc_usb.c @@ -485,7 +485,6 @@ fill_isoc_urb(struct urb *urb, struct usb_device *dev, unsigned int pipe, { int k; - spin_lock_init(&urb->lock); urb->dev = dev; urb->pipe = pipe; urb->complete = complete; @@ -578,16 +577,14 @@ stop_isoc_chain(usb_fifo * fifo) "HFC-S USB: Stopping iso chain for fifo %i.%i", fifo->fifonum, i); #endif - usb_unlink_urb(fifo->iso[i].purb); + usb_kill_urb(fifo->iso[i].purb); usb_free_urb(fifo->iso[i].purb); fifo->iso[i].purb = NULL; } } - if (fifo->urb) { - usb_unlink_urb(fifo->urb); - usb_free_urb(fifo->urb); - fifo->urb = NULL; - } + usb_kill_urb(fifo->urb); + usb_free_urb(fifo->urb); + fifo->urb = NULL; fifo->active = 0; } @@ -1305,7 +1302,11 @@ usb_init(hfcusb_data * hfc) } /* default Prot: EURO ISDN, should be a module_param */ hfc->protocol = 2; - hisax_register(&hfc->d_if, p_b_if, "hfc_usb", hfc->protocol); + i = hisax_register(&hfc->d_if, p_b_if, "hfc_usb", hfc->protocol); + if (i) { + printk(KERN_INFO "HFC-S USB: hisax_register -> %d\n", i); + return i; + } #ifdef CONFIG_HISAX_DEBUG hfc_debug = debug; @@ -1626,11 +1627,9 @@ hfc_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) #endif /* init the chip and register the driver */ if (usb_init(context)) { - if (context->ctrl_urb) { - usb_unlink_urb(context->ctrl_urb); - usb_free_urb(context->ctrl_urb); - context->ctrl_urb = NULL; - } + usb_kill_urb(context->ctrl_urb); + usb_free_urb(context->ctrl_urb); + context->ctrl_urb = NULL; kfree(context); return (-EIO); } @@ -1682,21 +1681,15 @@ hfc_usb_disconnect(struct usb_interface i); #endif } - if (context->fifos[i].urb) { - usb_unlink_urb(context->fifos[i].urb); - usb_free_urb(context->fifos[i].urb); - context->fifos[i].urb = NULL; - } + usb_kill_urb(context->fifos[i].urb); + usb_free_urb(context->fifos[i].urb); + context->fifos[i].urb = NULL; } context->fifos[i].active = 0; } - /* wait for all URBS to terminate */ - mdelay(10); - if (context->ctrl_urb) { - usb_unlink_urb(context->ctrl_urb); - usb_free_urb(context->ctrl_urb); - context->ctrl_urb = NULL; - } + usb_kill_urb(context->ctrl_urb); + usb_free_urb(context->ctrl_urb); + context->ctrl_urb = NULL; hisax_unregister(&context->d_if); kfree(context); /* free our structure again */ } /* hfc_usb_disconnect */ |