diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c
index d14de44e14b7..fc512204600c 100644
--- a/net/hsr/hsr_device.c
+++ b/net/hsr/hsr_device.c
@@ -333,7 +333,7 @@ static void send_hsr_supervision_frame(struct hsr_port *port,
 		hsr->sup_sequence_nr++;
 	} else {
 		hsr_stag->sequence_nr = htons(hsr->sequence_nr);
-		hsr->sequence_nr++;
+		WRITE_ONCE(hsr->sequence_nr, hsr->sequence_nr + 1);
 	}
 
 	hsr_stag->tlv.HSR_TLV_type = type;
diff --git a/net/hsr/hsr_forward.c b/net/hsr/hsr_forward.c
index 7734a521a96c..44f6d9c83180 100644
--- a/net/hsr/hsr_forward.c
+++ b/net/hsr/hsr_forward.c
@@ -645,7 +645,7 @@ static void handle_std_frame(struct sk_buff *skb,
 		/* Sequence nr for the master/interlink node */
 		lockdep_assert_held(&hsr->seqnr_lock);
 		frame->sequence_nr = hsr->sequence_nr;
-		hsr->sequence_nr++;
+		WRITE_ONCE(hsr->sequence_nr, hsr->sequence_nr + 1);
 	}
 }