David Woodhouse wrote:
From: Jon Smirl <[EMAIL PROTECTED]>The mpc5200 fec driver is corrupting memory. This patch fixes two bugs where the wrong skb was being referenced. Signed-off-by: Jon Smirl <[EMAIL PROTECTED]> Acked-by: Domen Puncer <[EMAIL PROTECTED]> Signed-off-by: Grant Likely <[EMAIL PROTECTED]> Signed-off-by: David Woodhouse <[EMAIL PROTECTED]> --- a/drivers/net/fec_mpc52xx.c +++ b/drivers/net/fec_mpc52xx.c @@ -422,7 +422,7 @@ static irqreturn_t mpc52xx_fec_rx_interrupt(int irq, void *dev_id) rskb = bcom_retrieve_buffer(priv->rx_dmatsk, &status, (struct bcom_bd **)&bd); - dma_unmap_single(&dev->dev, bd->skb_pa, skb->len, DMA_FROM_DEVICE); + dma_unmap_single(&dev->dev, bd->skb_pa, rskb->len, DMA_FROM_DEVICE); /* Test for errors in received frame */ if (status & BCOM_FEC_RX_BD_ERRORS) { @@ -467,7 +467,7 @@ static irqreturn_t mpc52xx_fec_rx_interrupt(int irq, void *dev_id) bcom_prepare_next_buffer(priv->rx_dmatsk); bd->status = FEC_RX_BUFFER_SIZE; - bd->skb_pa = dma_map_single(&dev->dev, rskb->data, + bd->skb_pa = dma_map_single(&dev->dev, skb->data, FEC_RX_BUFFER_SIZE, DMA_FROM_DEVICE);
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