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bnad: Call dev_kfree_skb_any instead of dev_kfree_skb.

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Replace dev_kfree_skb with dev_kfree_skb_any in bnad_start_xmit that
can be called in hard irq and other contexts.

dev_kfree_skb_any is used as bnad_start_xmit only frees skbs when to
drop them, normally transmitted packets are handled elsewhere.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2014-03-15 16:06:40 -07:00
parent 07641c8fa4
commit 27400df8e9
1 changed files with 8 additions and 8 deletions
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16
drivers/net/ethernet/brocade/bna/bnad.c
View File

@ -2946,17 +2946,17 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
/* Sanity checks for the skb */
if (unlikely(skb->len <= ETH_HLEN)) {
dev_kfree_skb(skb);
dev_kfree_skb_any(skb);
BNAD_UPDATE_CTR(bnad, tx_skb_too_short);
return NETDEV_TX_OK;
}
if (unlikely(len > BFI_TX_MAX_DATA_PER_VECTOR)) {
dev_kfree_skb(skb);
dev_kfree_skb_any(skb);
BNAD_UPDATE_CTR(bnad, tx_skb_headlen_zero);
return NETDEV_TX_OK;
}
if (unlikely(len == 0)) {
dev_kfree_skb(skb);
dev_kfree_skb_any(skb);
BNAD_UPDATE_CTR(bnad, tx_skb_headlen_zero);
return NETDEV_TX_OK;
}
@ -2968,7 +2968,7 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
* and the netif_tx_stop_all_queues() call.
*/
if (unlikely(!tcb || !test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags))) {
dev_kfree_skb(skb);
dev_kfree_skb_any(skb);
BNAD_UPDATE_CTR(bnad, tx_skb_stopping);
return NETDEV_TX_OK;
}
@ -2981,7 +2981,7 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
wis = BNA_TXQ_WI_NEEDED(vectors); /* 4 vectors per work item */
if (unlikely(vectors > BFI_TX_MAX_VECTORS_PER_PKT)) {
dev_kfree_skb(skb);
dev_kfree_skb_any(skb);
BNAD_UPDATE_CTR(bnad, tx_skb_max_vectors);
return NETDEV_TX_OK;
}
@ -3021,7 +3021,7 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
/* Program the opcode, flags, frame_len, num_vectors in WI */
if (bnad_txq_wi_prepare(bnad, tcb, skb, txqent)) {
dev_kfree_skb(skb);
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
txqent->hdr.wi.reserved = 0;
@ -3047,7 +3047,7 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
/* Undo the changes starting at tcb->producer_index */
bnad_tx_buff_unmap(bnad, unmap_q, q_depth,
tcb->producer_index);
dev_kfree_skb(skb);
dev_kfree_skb_any(skb);
BNAD_UPDATE_CTR(bnad, tx_skb_frag_zero);
return NETDEV_TX_OK;
}
@ -3076,7 +3076,7 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
if (unlikely(len != skb->len)) {
/* Undo the changes starting at tcb->producer_index */
bnad_tx_buff_unmap(bnad, unmap_q, q_depth, tcb->producer_index);
dev_kfree_skb(skb);
dev_kfree_skb_any(skb);
BNAD_UPDATE_CTR(bnad, tx_skb_len_mismatch);
return NETDEV_TX_OK;
}