diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c
index e149a818dcd4..10cf60cae81e 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
@@ -595,6 +595,12 @@ static void ice_ptp_process_tx_tstamp(struct ice_ptp_tx *tx)
 		bool drop_ts = !link_up;
 		struct sk_buff *skb;
 
+		/* Paired with smp_mb__before_atomic() in ice_ptp_request_ts()
+		 * to ensure ordering the in_use bitmap and the indexed fields
+		 * in the tstamps array.
+		 */
+		smp_rmb();
+
 		/* Drop packets which have waited for more than 2 seconds */
 		if (time_is_before_jiffies(tx->tstamps[idx].start + 2 * HZ)) {
 			drop_ts = true;
@@ -2678,11 +2684,13 @@ s8 ice_ptp_request_ts(struct ice_ptp_tx *tx, struct sk_buff *skb)
 		 * a reference to the skb and the start time to allow discarding old
 		 * requests.
 		 */
-		set_bit(idx, tx->in_use);
-		clear_bit(idx, tx->stale);
 		tx->tstamps[idx].start = jiffies;
 		tx->tstamps[idx].skb = skb_get(skb);
 		skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
+		clear_bit(idx, tx->stale);
+		/* Ensure index is setup before marking it as used */
+		smp_mb__before_atomic();
+		set_bit(idx, tx->in_use);
 		ice_trace(tx_tstamp_request, skb, idx);
 	}