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path: root/drivers/net/e1000.c
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Diffstat (limited to 'drivers/net/e1000.c')
-rw-r--r--drivers/net/e1000.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
index 2825342..5f390bd 100644
--- a/drivers/net/e1000.c
+++ b/drivers/net/e1000.c
@@ -5018,6 +5018,7 @@ TRANSMIT - Transmit a frame
static int
e1000_transmit(struct eth_device *nic, volatile void *packet, int length)
{
+ void * nv_packet = (void *)packet;
struct e1000_hw *hw = nic->priv;
struct e1000_tx_desc *txp;
int i = 0;
@@ -5025,7 +5026,7 @@ e1000_transmit(struct eth_device *nic, volatile void *packet, int length)
txp = tx_base + tx_tail;
tx_tail = (tx_tail + 1) % 8;
- txp->buffer_addr = cpu_to_le64(virt_to_bus(hw->pdev, packet));
+ txp->buffer_addr = cpu_to_le64(virt_to_bus(hw->pdev, nv_packet));
txp->lower.data = cpu_to_le32(hw->txd_cmd | length);
txp->upper.data = 0;
E1000_WRITE_REG(hw, TDT, tx_tail);
@@ -5177,7 +5178,21 @@ e1000_initialize(bd_t * bis)
}
nic = (struct eth_device *) malloc(sizeof (*nic));
+ if (!nic) {
+ printf("Error: e1000 - Can not alloc memory\n");
+ return 0;
+ }
+
hw = (struct e1000_hw *) malloc(sizeof (*hw));
+ if (!hw) {
+ free(nic);
+ printf("Error: e1000 - Can not alloc memory\n");
+ return 0;
+ }
+
+ memset(nic, 0, sizeof(*nic));
+ memset(hw, 0, sizeof(*hw));
+
hw->pdev = devno;
nic->priv = hw;