Commit 79775f44 authored Sep 09, 2016 by Harish Jenny K N Committed by Felipe Balbi Sep 09, 2016

usb: gadget: u_ether: fix another dereference after null check



dev->port_usb is checked for null pointer previously, so dev->port_usb
might be null during no zlp check, fix it by adding null pointer check.

Acked-by: Jim Baxter <jim_baxter@mentor.com>
Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

parent 5387c920

drivers/usb/gadget/function/u_ether.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -571,7 +571,8 @@ static netdev_tx_t eth_start_xmit(struct sk_buff *skb,
		req->complete = tx_complete;

		/* NCM requires no zlp if transfer is dwNtbInMaxSize */
		if (dev->port_usb->is_fixed &&
		if (dev->port_usb &&
		dev->port_usb->is_fixed &&
		length == dev->port_usb->fixed_in_len &&
		(length % in->maxpacket) == 0)
		req->zero = 0;