diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
index 9fb9b565a002..4f684cbcdc57 100644
--- a/drivers/net/ieee802154/atusb.c
+++ b/drivers/net/ieee802154/atusb.c
@@ -1045,7 +1045,7 @@ static int atusb_probe(struct usb_interface *interface,
 	atusb->tx_dr.bRequest = ATUSB_TX;
 	atusb->tx_dr.wValue = cpu_to_le16(0);
 
-	atusb->tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
+	atusb->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!atusb->tx_urb)
 		goto fail;
 
diff --git a/drivers/net/ieee802154/mcr20a.c b/drivers/net/ieee802154/mcr20a.c
index 55a22c761808..de0d7f28a181 100644
--- a/drivers/net/ieee802154/mcr20a.c
+++ b/drivers/net/ieee802154/mcr20a.c
@@ -1267,7 +1267,7 @@ mcr20a_probe(struct spi_device *spi)
 	ret = mcr20a_get_platform_data(spi, pdata);
 	if (ret < 0) {
 		dev_crit(&spi->dev, "mcr20a_get_platform_data failed.\n");
-		return ret;
+		goto free_pdata;
 	}
 
 	/* init reset gpio */
@@ -1275,7 +1275,7 @@ mcr20a_probe(struct spi_device *spi)
 		ret = devm_gpio_request_one(&spi->dev, pdata->rst_gpio,
 					    GPIOF_OUT_INIT_HIGH, "reset");
 		if (ret)
-			return ret;
+			goto free_pdata;
 	}
 
 	/* reset mcr20a */
@@ -1291,7 +1291,8 @@ mcr20a_probe(struct spi_device *spi)
 	hw = ieee802154_alloc_hw(sizeof(*lp), &mcr20a_hw_ops);
 	if (!hw) {
 		dev_crit(&spi->dev, "ieee802154_alloc_hw failed\n");
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto free_pdata;
 	}
 
 	/* init mcr20a local data */
@@ -1308,8 +1309,10 @@ mcr20a_probe(struct spi_device *spi)
 	/* init buf */
 	lp->buf = devm_kzalloc(&spi->dev, SPI_COMMAND_BUFFER, GFP_KERNEL);
 
-	if (!lp->buf)
-		return -ENOMEM;
+	if (!lp->buf) {
+		ret = -ENOMEM;
+		goto free_dev;
+	}
 
 	mcr20a_setup_tx_spi_messages(lp);
 	mcr20a_setup_rx_spi_messages(lp);
@@ -1366,6 +1369,8 @@ mcr20a_probe(struct spi_device *spi)
 
 free_dev:
 	ieee802154_free_hw(lp->hw);
+free_pdata:
+	kfree(pdata);
 
 	return ret;
 }
diff --git a/net/ieee802154/6lowpan/6lowpan_i.h b/net/ieee802154/6lowpan/6lowpan_i.h
index b8d95cb71c25..44a7e16bf3b5 100644
--- a/net/ieee802154/6lowpan/6lowpan_i.h
+++ b/net/ieee802154/6lowpan/6lowpan_i.h
@@ -20,8 +20,8 @@ typedef unsigned __bitwise lowpan_rx_result;
 struct frag_lowpan_compare_key {
 	u16 tag;
 	u16 d_size;
-	const struct ieee802154_addr src;
-	const struct ieee802154_addr dst;
+	struct ieee802154_addr src;
+	struct ieee802154_addr dst;
 };
 
 /* Equivalent of ipv4 struct ipq
diff --git a/net/ieee802154/6lowpan/reassembly.c b/net/ieee802154/6lowpan/reassembly.c
index 1790b65944b3..2cc224106b69 100644
--- a/net/ieee802154/6lowpan/reassembly.c
+++ b/net/ieee802154/6lowpan/reassembly.c
@@ -75,14 +75,14 @@ fq_find(struct net *net, const struct lowpan_802154_cb *cb,
 {
 	struct netns_ieee802154_lowpan *ieee802154_lowpan =
 		net_ieee802154_lowpan(net);
-	struct frag_lowpan_compare_key key = {
-		.tag = cb->d_tag,
-		.d_size = cb->d_size,
-		.src = *src,
-		.dst = *dst,
-	};
+	struct frag_lowpan_compare_key key = {};
 	struct inet_frag_queue *q;
 
+	key.tag = cb->d_tag;
+	key.d_size = cb->d_size;
+	key.src = *src;
+	key.dst = *dst;
+
 	q = inet_frag_find(&ieee802154_lowpan->frags, &key);
 	if (!q)
 		return NULL;
@@ -372,7 +372,7 @@ int lowpan_frag_rcv(struct sk_buff *skb, u8 frag_type)
 	struct lowpan_frag_queue *fq;
 	struct net *net = dev_net(skb->dev);
 	struct lowpan_802154_cb *cb = lowpan_802154_cb(skb);
-	struct ieee802154_hdr hdr;
+	struct ieee802154_hdr hdr = {};
 	int err;
 
 	if (ieee802154_hdr_peek_addrs(skb, &hdr) < 0)