diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 1d76d3a90a17..680f0d3d9b72 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -3435,7 +3435,7 @@ int igb_setup_rx_resources(struct igb_ring *rx_ring) size = sizeof(struct igb_rx_buffer) * rx_ring->count; - rx_ring->rx_buffer_info = vzalloc(size); + rx_ring->rx_buffer_info = vmalloc(size); if (!rx_ring->rx_buffer_info) goto err; @@ -3759,6 +3759,10 @@ void igb_configure_rx_ring(struct igb_adapter *adapter, rxdctl |= IGB_RX_HTHRESH << 8; rxdctl |= IGB_RX_WTHRESH << 16; + /* initialize rx_buffer_info */ + memset(ring->rx_buffer_info, 0, + sizeof(struct igb_rx_buffer) * ring->count); + /* initialize Rx descriptor 0 */ rx_desc = IGB_RX_DESC(ring, 0); rx_desc->wb.upper.length = 0; @@ -3937,23 +3941,16 @@ static void igb_free_all_rx_resources(struct igb_adapter *adapter) **/ static void igb_clean_rx_ring(struct igb_ring *rx_ring) { - unsigned long size; - u16 i; + u16 i = rx_ring->next_to_clean; if (rx_ring->skb) dev_kfree_skb(rx_ring->skb); rx_ring->skb = NULL; - if (!rx_ring->rx_buffer_info) - return; - /* Free all the Rx ring sk_buffs */ - for (i = 0; i < rx_ring->count; i++) { + while (i != rx_ring->next_to_alloc) { struct igb_rx_buffer *buffer_info = &rx_ring->rx_buffer_info[i]; - if (!buffer_info->page) - continue; - /* Invalidate cache lines that may have been written to by * device so that we avoid corrupting memory. */ @@ -3972,12 +3969,11 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring) __page_frag_cache_drain(buffer_info->page, buffer_info->pagecnt_bias); - buffer_info->page = NULL; + i++; + if (i == rx_ring->count) + i = 0; } - size = sizeof(struct igb_rx_buffer) * rx_ring->count; - memset(rx_ring->rx_buffer_info, 0, size); - rx_ring->next_to_alloc = 0; rx_ring->next_to_clean = 0; rx_ring->next_to_use = 0;