diff options
| author | David Mosberger-Tang <davidm@egauge.net> | 2014-05-28 10:06:24 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-28 13:24:07 -0700 |
| commit | f9da25c798ae7d89a25918cc897c17abb1490e13 (patch) | |
| tree | 7e7e3f508784a3953334c87ad5f127c8b69b35ff /drivers/usb | |
| parent | 357d596ea7bea5abf1479cc72ae5888c738717dd (diff) | |
usb: host: max3421-hcd: Fix potential NULL urb dereference
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David Mosberger <davidm@egauge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/max3421-hcd.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c index dfc74d6738db..28abda14c5e2 100644 --- a/drivers/usb/host/max3421-hcd.c +++ b/drivers/usb/host/max3421-hcd.c @@ -588,12 +588,14 @@ max3421_next_transfer(struct usb_hcd *hcd, int fast_retransmit) { struct max3421_hcd *max3421_hcd = hcd_to_max3421(hcd); struct urb *urb = max3421_hcd->curr_urb; - struct max3421_ep *max3421_ep = urb->ep->hcpriv; + struct max3421_ep *max3421_ep; int cmd = -EINVAL; if (!urb) return; /* nothing to do */ + max3421_ep = urb->ep->hcpriv; + switch (max3421_ep->pkt_state) { case PKT_STATE_SETUP: cmd = max3421_ctrl_setup(hcd, urb); |