Change WARN_ON into WARN_ON_ONCE

diff --git a/module/elmcan.c b/module/elmcan.c
index 6c99ca0a30da520ee11bd690d74a361a3698e4d0..7ae344ef52477aae8b589ddee41db3f8021a9c1e 100644 (file)
--- a/module/elmcan.c
+++ b/module/elmcan.c
@@ -788,7 +788,7 @@ static struct sk_buff *elmcan_mailbox_read(struct can_rx_offload *offload,
                                           unsigned int n, u32 *timestamp,
                                           bool drop)
 {
-       WARN_ON(1); /* This function is a dummy, so don't call it! */
+       WARN_ON_ONCE(1); /* This function is a dummy, so don't call it! */
 
        return ERR_PTR(-ENOBUFS);
 }
@@ -891,7 +891,7 @@ static netdev_tx_t elmcan_netdev_start_xmit(struct sk_buff *skb,
        /* We shouldn't get here after a hardware fault:
         * can_bus_off() calls netif_carrier_off()
         */
-       WARN_ON(elm->hw_failure);
+       WARN_ON_ONCE(elm->hw_failure);
 
        if (!elm->tty ||
            elm->hw_failure ||