ieee802154: drivers: use dev_alloc_skb

This patch change the allocation of skb inside the ieee802154 driver
layer to dev_alloc_skb. This changes also the gfp mask to GFP_ATOMIC
which is needed for upcomming change that the receiving is done by a
tasklet and not a workqueue anymore.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Cc: Alan Ott <alan@signal11.us>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

3 files changed, 3 insertions, 3 deletions

diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index 0669783aa3b9..e4fbcaa602b6 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -811,7 +811,7 @@ at86rf230_rx(struct at86rf230_local *lp,
         memcpy(rx_local_buf, data, len);
         enable_irq(lp->spi->irq);
 
-        skb = alloc_skb(IEEE802154_MTU, GFP_ATOMIC);
+        skb = dev_alloc_skb(IEEE802154_MTU);
         if (!skb) {
                 dev_vdbg(&lp->spi->dev, "failed to allocate sk_buff\n");
                 return;
diff --git a/drivers/net/ieee802154/cc2520.c b/drivers/net/ieee802154/cc2520.c
index f6f07f4eb0ec..a31b5b62a353 100644
--- a/drivers/net/ieee802154/cc2520.c
+++ b/drivers/net/ieee802154/cc2520.c
@@ -524,7 +524,7 @@ static int cc2520_rx(struct cc2520_private *priv)
         if (len < 2 || len > IEEE802154_MTU)
                 return -EINVAL;
 
-        skb = alloc_skb(len, GFP_KERNEL);
+        skb = dev_alloc_skb(len);
         if (!skb)
                 return -ENOMEM;
 
diff --git a/drivers/net/ieee802154/mrf24j40.c b/drivers/net/ieee802154/mrf24j40.c
index 3d775afa217f..7abb237cb989 100644
--- a/drivers/net/ieee802154/mrf24j40.c
+++ b/drivers/net/ieee802154/mrf24j40.c
@@ -544,7 +544,7 @@ static int mrf24j40_handle_rx(struct mrf24j40 *devrec)
         val |= 4; /* SET RXDECINV */
         write_short_reg(devrec, REG_BBREG1, val);
 
-        skb = alloc_skb(len, GFP_KERNEL);
+        skb = dev_alloc_skb(len);
         if (!skb) {
                 ret = -ENOMEM;
                 goto out;