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rrunner: fix buffer overflow

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tx_skbuff is define as:
        struct sk_buff          *tx_skbuff[TX_RING_ENTRIES];

EVT_RING_ENTRIES is 64 and TX_RING_ENTRIES is 32.

This function is in a error path so that's why it wasn't noticed.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2010-01-02 04:08:46 +00:00 committed by David S. Miller
parent 7ec4e7d3cf
commit 2585e7e5e1
1 changed files with 1 additions and 1 deletions
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2
drivers/net/rrunner.c
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@ -1293,7 +1293,7 @@ static void rr_dump(struct net_device *dev)
printk("Error code 0x%x\n", readl(&regs->Fail1));
index = (((readl(&regs->EvtPrd) >> 8) & 0xff ) - 1) % EVT_RING_ENTRIES;
index = (((readl(&regs->EvtPrd) >> 8) & 0xff) - 1) % TX_RING_ENTRIES;
cons = rrpriv->dirty_tx;
printk("TX ring index %i, TX consumer %i\n",
index, cons);