gianfar: Carefully free skbs in functions called by netpoll.
netpoll can call functions in hard irq context that are ordinarily
called in lesser contexts. For those functions use dev_kfree_skb_any
and dev_consume_skb_any so skbs are freed safely from hard irq
context.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 68d9bf7..6e12f93 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -2192,13 +2192,13 @@
skb_new = skb_realloc_headroom(skb, fcb_len);
if (!skb_new) {
dev->stats.tx_errors++;
- kfree_skb(skb);
+ dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
if (skb->sk)
skb_set_owner_w(skb_new, skb->sk);
- consume_skb(skb);
+ dev_consume_skb_any(skb);
skb = skb_new;
}