usbnet: smsc95xx: fix memcpy for accessing rx-data (6809d216) · Commits · 戴 / test

Change the RX code to use get_unaligned_le32() instead of the combo of memcpy and cpu_to_le32s(&var). Signed-off-by:

drivers/net/usb/smsc95xx.c

+2 −5

Original line number	Diff line number	Diff line
		@@ -618,9 +618,7 @@ static void smsc95xx_status(struct usbnet dev, struct urb urb)
		return;
		}

		memcpy(&intdata, urb->transfer_buffer, 4);
		le32_to_cpus(&intdata);

		intdata = get_unaligned_le32(urb->transfer_buffer);
		netif_dbg(dev, link, dev->net, "intdata: 0x%08X\n", intdata);

		if (intdata & INT_ENP_PHY_INT_)
		@@ -1934,8 +1932,7 @@ static int smsc95xx_rx_fixup(struct usbnet dev, struct sk_buff skb)
		unsigned char *packet;
		u16 size;

		memcpy(&header, skb->data, sizeof(header));
		le32_to_cpus(&header);
		header = get_unaligned_le32(skb->data);
		skb_pull(skb, 4 + NET_IP_ALIGN);
		packet = skb->data;