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net: Fix ks8851 snl NULL pointer dereference Oops

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This fixes the NULL pointer dereference Oops in the ks8851 snl network
driver during transmission.  All socket buffers from the queue are
processed inside the loop, but new workqueues have been scheduled to
run.

Signed-off-by: Tristram Ha <Tristram.Ha@micrel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tristram Ha 2009-12-03 11:06:42 +00:00 committed by David S. Miller
parent fc4a748966
commit 3320eae51d
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ks8851.c
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@ -1,4 +1,4 @@
/* drivers/net/ks8651.c
/* drivers/net/ks8851.c
*
* Copyright 2009 Simtec Electronics
* http://www.simtec.co.uk/
@ -714,7 +714,7 @@ static void ks8851_tx_work(struct work_struct *work)
{
struct ks8851_net *ks = container_of(work, struct ks8851_net, tx_work);
struct sk_buff *txb;
bool last = false;
bool last = skb_queue_empty(&ks->txq);
mutex_lock(&ks->lock);