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ctcm_fsms: Convert skb->user accesses to refcount_t

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Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2017-07-03 02:29:57 -07:00
parent 63d7c880c5
commit bba5850c8b
1 changed files with 6 additions and 6 deletions
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12
drivers/s390/net/ctcm_fsms.c
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@ -217,7 +217,7 @@ void ctcm_purge_skb_queue(struct sk_buff_head *q)
CTCM_DBF_TEXT(TRACE, CTC_DBF_DEBUG, __func__);
while ((skb = skb_dequeue(q))) {
atomic_dec(&skb->users);
refcount_dec(&skb->users);
dev_kfree_skb_any(skb);
}
}
@ -271,7 +271,7 @@ static void chx_txdone(fsm_instance *fi, int event, void *arg)
priv->stats.tx_bytes += 2;
first = 0;
}
atomic_dec(&skb->users);
refcount_dec(&skb->users);
dev_kfree_skb_irq(skb);
}
spin_lock(&ch->collect_lock);
@ -297,7 +297,7 @@ static void chx_txdone(fsm_instance *fi, int event, void *arg)
skb_put(ch->trans_skb, skb->len), skb->len);
priv->stats.tx_packets++;
priv->stats.tx_bytes += skb->len - LL_HEADER_LENGTH;
atomic_dec(&skb->users);
refcount_dec(&skb->users);
dev_kfree_skb_irq(skb);
i++;
}
@ -1248,7 +1248,7 @@ static void ctcmpc_chx_txdone(fsm_instance *fi, int event, void *arg)
priv->stats.tx_bytes += 2;
first = 0;
}
atomic_dec(&skb->users);
refcount_dec(&skb->users);
dev_kfree_skb_irq(skb);
}
spin_lock(&ch->collect_lock);
@ -1298,7 +1298,7 @@ static void ctcmpc_chx_txdone(fsm_instance *fi, int event, void *arg)
data_space -= skb->len;
priv->stats.tx_packets++;
priv->stats.tx_bytes += skb->len;
atomic_dec(&skb->users);
refcount_dec(&skb->users);
dev_kfree_skb_any(skb);
peekskb = skb_peek(&ch->collect_queue);
if (peekskb->len > data_space)
@ -1795,7 +1795,7 @@ static void ctcmpc_chx_send_sweep(fsm_instance *fsm, int event, void *arg)
fsm_event(grp->fsm, MPCG_EVENT_INOP, dev);
goto done;
} else {
atomic_inc(&skb->users);
refcount_inc(&skb->users);
skb_queue_tail(&wch->io_queue, skb);
}