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mwifiex: fix invalid access of PCIe RxBD ring buffer descriptor

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This patch fixes invalid access of RxBD ring buffer descriptor's
length and flag inside PCIe send_data_complete() routine. We are
supposed to modify TxBD buffer descriptor's length and flag here.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Avinash Patil
2013-01-22 16:29:03 -08:00
committed by John W. Linville
parent def6452157
commit 6ccea75e70
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/mwifiex/pcie.c
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@@ -846,8 +846,8 @@ static int mwifiex_pcie_send_data_complete(struct mwifiex_adapter *adapter)
card->tx_buf_list[wrdoneidx] = NULL;
card->txbd_ring[wrdoneidx]->paddr = 0;
card->rxbd_ring[wrdoneidx]->len = 0;
card->rxbd_ring[wrdoneidx]->flags = 0;
card->txbd_ring[wrdoneidx]->len = 0;
card->txbd_ring[wrdoneidx]->flags = 0;
card->txbd_rdptr++;
if ((card->txbd_rdptr & MWIFIEX_TXBD_MASK) == num_tx_buffs)