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-rw-r--r--drivers/net/gianfar.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 44cbf2622b4..6a38800be3f 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -1310,8 +1310,10 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
base = priv->tx_bd_base;
- /* make space for additional header */
- if (skb_headroom(skb) < GMAC_FCB_LEN) {
+ /* make space for additional header when fcb is needed */
+ if (((skb->ip_summed == CHECKSUM_PARTIAL) ||
+ (priv->vlgrp && vlan_tx_tag_present(skb))) &&
+ (skb_headroom(skb) < GMAC_FCB_LEN)) {
struct sk_buff *skb_new;
skb_new = skb_realloc_headroom(skb, GMAC_FCB_LEN);