[PATCH v2 15/22] dpaa_eth: fix SG frame cleanup

[laurentiu . tudor]

From: Laurentiu Tudor 

Fix issue with the entry indexing in the sg frame cleanup code being
off-by-1. This problem showed up when doing some basic iperf tests and
manifested in traffic coming to a halt.

Signed-off-by: Laurentiu Tudor 
---
 drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c 
b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index 8db861f281a0..605f06f0def8 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -1663,7 +1663,7 @@ static struct sk_buff *dpaa_cleanup_tx_fd(const struct 
dpaa_priv *priv,
 qm_sg_entry_get_len([0]), dma_dir);
 
/* remaining pages were mapped with skb_frag_dma_map() */
-   for (i = 1; i < nr_frags; i++) {
+   for (i = 1; i <= nr_frags; i++) {
WARN_ON(qm_sg_entry_is_ext([i]));
 
dma_unmap_page(dev, qm_sg_addr([i]),
-- 
2.17.1

[PATCH v2 15/22] dpaa_eth: fix SG frame cleanup

[laurentiu . tudor]

From: Laurentiu Tudor 

Fix issue with the entry indexing in the sg frame cleanup code being
off-by-1. This problem showed up when doing some basic iperf tests and
manifested in traffic coming to a halt.

Signed-off-by: Laurentiu Tudor 
---
 drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c 
b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index 8db861f281a0..605f06f0def8 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -1663,7 +1663,7 @@ static struct sk_buff *dpaa_cleanup_tx_fd(const struct 
dpaa_priv *priv,
 qm_sg_entry_get_len([0]), dma_dir);
 
/* remaining pages were mapped with skb_frag_dma_map() */
-   for (i = 1; i < nr_frags; i++) {
+   for (i = 1; i <= nr_frags; i++) {
WARN_ON(qm_sg_entry_is_ext([i]));
 
dma_unmap_page(dev, qm_sg_addr([i]),
-- 
2.17.1