diff options
author | Fredrik Hallenberg <megahallon@gmail.com> | 2017-12-18 23:34:00 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-12-19 14:12:15 -0500 |
commit | a1762456993893795030d911106a7650481db0ef (patch) | |
tree | f532d4d05070c3250acb0490523727bf14fdb694 /drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c | |
parent | 200922c93f008e03ddc804c6dacdf26ca1ba86d7 (diff) |
net: stmmac: Fix bad RX timestamp extraction
As noted in dwmac4_wrback_get_rx_timestamp_status the timestamp is found
in the context descriptor following the current descriptor. However the
current code looks for the context descriptor in the current
descriptor, which will always fail.
Signed-off-by: Fredrik Hallenberg <megahallon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c')
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c index 4b286e27c4ca..7e089bf906b4 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c @@ -258,7 +258,8 @@ static int dwmac4_rx_check_timestamp(void *desc) return ret; } -static int dwmac4_wrback_get_rx_timestamp_status(void *desc, u32 ats) +static int dwmac4_wrback_get_rx_timestamp_status(void *desc, void *next_desc, + u32 ats) { struct dma_desc *p = (struct dma_desc *)desc; int ret = -EINVAL; @@ -270,7 +271,7 @@ static int dwmac4_wrback_get_rx_timestamp_status(void *desc, u32 ats) /* Check if timestamp is OK from context descriptor */ do { - ret = dwmac4_rx_check_timestamp(desc); + ret = dwmac4_rx_check_timestamp(next_desc); if (ret < 0) goto exit; i++; |