diff options
| author | Peter Chen <peter.chen@nxp.com> | 2016-07-01 15:33:29 +0800 |
|---|---|---|
| committer | Peter Chen <peter.chen@nxp.com> | 2016-08-18 17:05:42 +0800 |
| commit | bc578fcb675042f74979f7916371978ebef23d44 (patch) | |
| tree | 818553f2544a9b6c36d1017809d77c44a56cec23 /drivers | |
| parent | 90827bfa59cdaa2a81304a3b8ecf086e8d2fa5e5 (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')
| -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 f1fd777ef4ec..1ed59ca2b11c 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -561,7 +561,8 @@ 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; } |