[PATCH net-next 1/4] ionic: count dma errors

[Shannon Nelson]

Increment our dma-error counter in a couple of spots
that were missed before.

Signed-off-by: Shannon Nelson <snel...@pensando.io>
---
 drivers/net/ethernet/pensando/ionic/ionic_txrx.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c 
b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
index 5985f7c504a9..42d29cd2ca47 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
@@ -609,6 +609,7 @@ static int ionic_tx_map_skb(struct ionic_queue *q, struct 
sk_buff *skb,
                            struct ionic_desc_info *desc_info)
 {
        struct ionic_buf_info *buf_info = desc_info->bufs;
+       struct ionic_tx_stats *stats = q_to_tx_stats(q);
        struct device *dev = q->dev;
        dma_addr_t dma_addr;
        unsigned int nfrags;
@@ -616,8 +617,10 @@ static int ionic_tx_map_skb(struct ionic_queue *q, struct 
sk_buff *skb,
        int frag_idx;
 
        dma_addr = ionic_tx_map_single(q, skb->data, skb_headlen(skb));
-       if (dma_mapping_error(dev, dma_addr))
+       if (dma_mapping_error(dev, dma_addr)) {
+               stats->dma_map_err++;
                return -EIO;
+       }
        buf_info->dma_addr = dma_addr;
        buf_info->len = skb_headlen(skb);
        buf_info++;
@@ -626,8 +629,10 @@ static int ionic_tx_map_skb(struct ionic_queue *q, struct 
sk_buff *skb,
        nfrags = skb_shinfo(skb)->nr_frags;
        for (frag_idx = 0; frag_idx < nfrags; frag_idx++, frag++) {
                dma_addr = ionic_tx_map_frag(q, frag, 0, skb_frag_size(frag));
-               if (dma_mapping_error(dev, dma_addr))
+               if (dma_mapping_error(dev, dma_addr)) {
+                       stats->dma_map_err++;
                        goto dma_fail;
+               }
                buf_info->dma_addr = dma_addr;
                buf_info->len = skb_frag_size(frag);
                buf_info++;
-- 
2.17.1