diff options
| author | Michael Grzeschik <m.grzeschik@pengutronix.de> | 2012-04-05 14:56:10 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-18 13:51:19 -0700 |
| commit | 8788fa0344419d1d9bd1be3f61f1f0c4d9c1d568 (patch) | |
| tree | e3e89efe9d4707d692f3d23b0a701ac86d96d125 /drivers/usb/host/isp1760-hcd.c | |
| parent | 8cb2268001f9553f9ff83416ce3f009c4ab1e089 (diff) | |
isp1760-hcd: fix possible memory leak if urb could not be enqueued
After packetize_urb was called, we could still run into an error path
and will not hand over the prepared qtd to the qtd_list. Make sure to
free the prepared qtd in that case to avoid memory leaks.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/isp1760-hcd.c')
| -rw-r--r-- | drivers/usb/host/isp1760-hcd.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c index 4a378d38b954..a35bbddf8968 100644 --- a/drivers/usb/host/isp1760-hcd.c +++ b/drivers/usb/host/isp1760-hcd.c @@ -1562,11 +1562,14 @@ static int isp1760_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { retval = -ESHUTDOWN; + qtd_list_free(&new_qtds); goto out; } retval = usb_hcd_link_urb_to_ep(hcd, urb); - if (retval) + if (retval) { + qtd_list_free(&new_qtds); goto out; + } qh = urb->ep->hcpriv; if (qh) { @@ -1584,6 +1587,7 @@ static int isp1760_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, if (!qh) { retval = -ENOMEM; usb_hcd_unlink_urb_from_ep(hcd, urb); + qtd_list_free(&new_qtds); goto out; } list_add_tail(&qh->qh_list, ep_queue); |