[ATM]: br2684 incorrectly handles frames recvd with FCS (by Alex Zeffertt...

[ATM]: br2684 incorrectly handles frames recvd with FCS (by Alex Zeffertt <ajz@cambridgebroadband.com>)

[ATM]: br2684 incorrectly handles frames recvd with FCS (by Alex Zeffertt...
[ATM]: br2684 incorrectly handles frames recvd with FCS (by Alex Zeffertt <ajz@cambridgebroadband.com>)
72c15bba · Chas Williams · Stephen Hemminger · c2852cc4 · 72c15bba
Commit 72c15bba authored Jan 08, 2004 by Chas Williams Committed by Stephen Hemminger Jan 08, 2004
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net/atm/br2684.c net/atm/br2684.c +4 -0

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--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -437,6 +437,10 @@ static void br2684_push(struct atm_vcc *atmvcc, struct sk_buff *skb)
 			dev_kfree_skb(skb);
 			return;
 		}
+
+		/* Strip FCS if present */
+		if (skb->len > 7 && skb->data[7] == 0x01)
+			__skb_trim(skb, skb->len - 4);
 	} else {
 		plen = PADLEN + ETH_HLEN;	/* pad, dstmac,srcmac, ethtype */
 		/* first 2 chars should be 0 */