diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bcm4908_enet.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bcm4908_enet.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bcm4908_enet.c b/drivers/net/ethernet/broadcom/bcm4908_enet.c index 0b70e9e0ddad..65981931a798 100644 --- a/drivers/net/ethernet/broadcom/bcm4908_enet.c +++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c @@ -172,6 +172,7 @@ static int bcm4908_dma_alloc_buf_descs(struct bcm4908_enet *enet, err_free_buf_descs: dma_free_coherent(dev, size, ring->cpu_addr, ring->dma_addr); + ring->cpu_addr = NULL; return -ENOMEM; } @@ -592,6 +593,9 @@ static int bcm4908_enet_poll(struct napi_struct *napi, int weight) bcm4908_enet_intrs_on(enet); } + /* Hardware could disable ring if it run out of descriptors */ + bcm4908_enet_dma_rx_ring_enable(enet, &enet->rx_ring); + return handled; } |