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[PATCH] mv643xx_eth: Fix a NULL pointer dereference

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Fix a NULL pointer dereference.

Fill in the buf_ptr and byte_cnt fields of pkt_info in
eth_tx_return_desc().

Signed-off-by: Paolo Galtieri <pgaltieri@mvista.com>
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>

 mv643xx_eth.c |   51 +++++++++++++++++++++------------------------------
 1 file changed, 21 insertions(+), 30 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Paolo Galtieri 2006-01-16 16:48:58 -07:00 committed by Jeff Garzik
parent cb415d3004
commit 4eaa3cb35b
1 changed files with 2 additions and 0 deletions
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2
drivers/net/mv643xx_eth.c
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@ -2660,6 +2660,8 @@ static ETH_FUNC_RET_STATUS eth_tx_return_desc(struct mv643xx_private *mp,
/* Pass the packet information to the caller */ /* Pass the packet information to the caller */
p_pkt_info->cmd_sts = command_status; p_pkt_info->cmd_sts = command_status;
p_pkt_info->return_info = mp->tx_skb[tx_desc_used]; p_pkt_info->return_info = mp->tx_skb[tx_desc_used];
p_pkt_info->buf_ptr = p_tx_desc_used->buf_ptr;
p_pkt_info->byte_cnt = p_tx_desc_used->byte_cnt;
mp->tx_skb[tx_desc_used] = NULL; mp->tx_skb[tx_desc_used] = NULL;
/* Update the next descriptor to release. */ /* Update the next descriptor to release. */