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sfc: Don't clear timestamps in efx_ptp_rx()

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A freshly allocated skb starts with timestamps clear.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings
2013-11-28 18:58:11 +00:00
parent 9aecda95d0
commit a45a3a5cdc
1 changed files with 0 additions and 6 deletions
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6
drivers/net/ethernet/sfc/ptp.c
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@@ -1323,14 +1323,8 @@ static bool efx_ptp_rx(struct efx_channel *channel, struct sk_buff *skb)
/* Does this packet require timestamping? */ /* Does this packet require timestamping? */
if (ntohs(*(__be16 *)&skb->data[PTP_DPORT_OFFSET]) == PTP_EVENT_PORT) { if (ntohs(*(__be16 *)&skb->data[PTP_DPORT_OFFSET]) == PTP_EVENT_PORT) {
struct skb_shared_hwtstamps *timestamps;
match->state = PTP_PACKET_STATE_UNMATCHED; match->state = PTP_PACKET_STATE_UNMATCHED;
/* Clear all timestamps held: filled in later */
timestamps = skb_hwtstamps(skb);
memset(timestamps, 0, sizeof(*timestamps));
/* We expect the sequence number to be in the same position in /* We expect the sequence number to be in the same position in
* the packet for PTP V1 and V2 * the packet for PTP V1 and V2
*/ */