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path: root/drivers/net/davinci_emac.c
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Diffstat (limited to 'drivers/net/davinci_emac.c')
-rw-r--r--drivers/net/davinci_emac.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 92c3dca..b030498 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -459,11 +459,11 @@ static int davinci_eth_open(struct eth_device *dev, bd_t *bis)
/* Set DMA 8 TX / 8 RX Head pointers to 0 */
addr = &adap_emac->TX0HDP;
- for(cnt = 0; cnt < 16; cnt++)
+ for (cnt = 0; cnt < 8; cnt++)
writel(0, addr++);
addr = &adap_emac->RX0HDP;
- for(cnt = 0; cnt < 16; cnt++)
+ for (cnt = 0; cnt < 8; cnt++)
writel(0, addr++);
/* Clear Statistics (do this before setting MacControl register) */
@@ -692,8 +692,10 @@ static int davinci_eth_rcv_packet (struct eth_device *dev)
davinci_invalidate_rx_descs();
rx_curr_desc = emac_rx_active_head;
+ if (!rx_curr_desc)
+ return 0;
status = rx_curr_desc->pkt_flag_len;
- if ((rx_curr_desc) && ((status & EMAC_CPPI_OWNERSHIP_BIT) == 0)) {
+ if ((status & EMAC_CPPI_OWNERSHIP_BIT) == 0) {
if (status & EMAC_CPPI_RX_ERROR_FRAME) {
/* Error in packet - discard it and requeue desc */
printf ("WARN: emac_rcv_pkt: Error in packet\n");