6lowpan: Fix extraction of flow label field

[firefly-linux-kernel-4.4.55.git] / net / 6lowpan / iphc.c

diff --git a/net/6lowpan/iphc.c b/net/6lowpan/iphc.c
index 9055d7b9d1129d69e34f8ed255922b2e340fcbb1..74e56d7449c8d6183bd60aeeb19ccde401f4b773 100644 (file)
--- a/net/6lowpan/iphc.c
+++ b/net/6lowpan/iphc.c
@@ -284,7 +284,7 @@ lowpan_header_decompress(struct sk_buff *skb, struct net_device *dev,
                if (lowpan_fetch_skb(skb, &tmp, sizeof(tmp)))
                        return -EINVAL;
 
-               hdr.flow_lbl[0] = (skb->data[0] & 0x0F) | ((tmp >> 2) & 0x30);
+               hdr.flow_lbl[0] = (tmp & 0x0F) | ((tmp >> 2) & 0x30);
                memcpy(&hdr.flow_lbl[1], &skb->data[0], 2);
                skb_pull(skb, 2);
                break;