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Diffstat (limited to 'net/dsa/slave.c')
-rw-r--r--net/dsa/slave.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 77b33bd161b8..b2a802e9330e 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -559,6 +559,9 @@ static void dsa_skb_tx_timestamp(struct dsa_slave_priv *p,
struct sk_buff *clone;
unsigned int type;
+ if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))
+ return;
+
type = ptp_classify_raw(skb);
if (type == PTP_CLASS_NONE)
return;