diff options
| author | Peter Chen <peter.chen@nxp.com> | 2016-07-01 15:33:29 +0800 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-08-11 15:09:44 +0300 |
| commit | 88c09eacf560c3303d0ee8cf91b8b7ff7f000350 (patch) | |
| tree | 6d4a5211694e9dca955d25ab390fb26acb543d34 /drivers/usb/gadget | |
| parent | c526c62d565ea5a5bba9433f28756079734f430d (diff) | |
usb: gadget: u_ether: fix dereference after null check coverify warning
dev->port_usb is checked for null pointer at above code, so dev->port_usb
might be null, fix it by adding null pointer check.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/function/u_ether.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index a3f7e7c55ebb..5f562c1ec795 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -556,7 +556,8 @@ static netdev_tx_t eth_start_xmit(struct sk_buff *skb, /* Multi frame CDC protocols may store the frame for * later which is not a dropped frame. */ - if (dev->port_usb->supports_multi_frame) + if (dev->port_usb && + dev->port_usb->supports_multi_frame) goto multiframe; goto drop; } |