fix a memory corruption bug in the linux 2.4 version of b44

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13955 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/brcm-2.4/patches/110-b44_alignment.patch b/target/linux/brcm-2.4/patches/110-b44_alignment.patch
index c1f0782..1f6e975 100644 (file)
--- a/target/linux/brcm-2.4/patches/110-b44_alignment.patch
+++ b/target/linux/brcm-2.4/patches/110-b44_alignment.patch
@@ -10,19 +10,19 @@
  
  /* minimum number of free TX descriptors required to wake up TX process */
  #define B44_TX_WAKEUP_THRESH          (B44_TX_RING_SIZE / 4)
-@@ -734,10 +735,9 @@ static int b44_alloc_rx_skb(struct b44 *
+@@ -734,10 +735,8 @@ static int b44_alloc_rx_skb(struct b44 *
        mapping = pci_map_single(bp->pdev, skb->data,
                                 RX_PKT_BUF_SZ,
                                 PCI_DMA_FROMDEVICE);
 -      skb_reserve(skb, bp->rx_offset);
  
-       rh = (struct rx_header *)
+-      rh = (struct rx_header *)
 -              (skb->data - bp->rx_offset);
-+              (skb->data - RX_HEADER_OFS);
++      rh = (struct rx_header *) skb->data;
        rh->len = 0;
        rh->flags = 0;
  
-@@ -747,13 +747,13 @@ static int b44_alloc_rx_skb(struct b44 *
+@@ -747,13 +746,13 @@ static int b44_alloc_rx_skb(struct b44 *
        if (src_map != NULL)
                src_map->skb = NULL;
  
@@ -38,7 +38,7 @@
  
        return RX_PKT_BUF_SZ;
  }
-@@ -812,7 +812,7 @@ static int b44_rx(struct b44 *bp, int bu
+@@ -812,7 +811,7 @@ static int b44_rx(struct b44 *bp, int bu
                                    PCI_DMA_FROMDEVICE);
                rh = (struct rx_header *) skb->data;
                len = cpu_to_le16(rh->len);
@@ -47,7 +47,7 @@
                    (rh->flags & cpu_to_le16(RX_FLAG_ERRORS))) {
                drop_it:
                        b44_recycle_rx(bp, cons, bp->rx_prod);
-@@ -844,8 +844,8 @@ static int b44_rx(struct b44 *bp, int bu
+@@ -844,8 +843,8 @@ static int b44_rx(struct b44 *bp, int bu
                        pci_unmap_single(bp->pdev, map,
                                         skb_size, PCI_DMA_FROMDEVICE);
                        /* Leave out rx_header */
@@ -58,7 +58,7 @@
                } else {
                        struct sk_buff *copy_skb;
  
-@@ -858,7 +858,7 @@ static int b44_rx(struct b44 *bp, int bu
+@@ -858,7 +857,7 @@ static int b44_rx(struct b44 *bp, int bu
                        skb_reserve(copy_skb, 2);
                        skb_put(copy_skb, len);
                        /* DMA sync done above, copy just the actual packet */
@@ -67,7 +67,7 @@
  
                        skb = copy_skb;
                }
-@@ -1344,7 +1344,7 @@ static void b44_init_hw(struct b44 *bp)
+@@ -1344,7 +1343,7 @@ static void b44_init_hw(struct b44 *bp)
        bw32(B44_DMATX_CTRL, DMATX_CTRL_ENABLE);
        bw32(B44_DMATX_ADDR, bp->tx_ring_dma + bp->dma_offset);
        bw32(B44_DMARX_CTRL, (DMARX_CTRL_ENABLE |
@@ -76,7 +76,7 @@
        bw32(B44_DMARX_ADDR, bp->rx_ring_dma + bp->dma_offset);
  
        bw32(B44_DMARX_PTR, bp->rx_pending);
-@@ -1873,13 +1873,7 @@ static int __devinit b44_get_invariants(
+@@ -1873,13 +1872,7 @@ static int __devinit b44_get_invariants(
                bp->mdc_port = (eeprom[90] >> 14) & 0x1;
        }