head buffer is only temporary available in mac802154_header_create.
So it's not necessary to put it on the heap.
Signed-off-by: Alexander Aring <alex.ar...@gmail.com>
---
net/mac802154/wpan.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index 98c867b..d20c6d3 100644
--- a/net/mac802154/wpan.c
+++ b/net/mac802154/wpan.c
@@ -137,16 +137,12 @@ static int mac802154_header_create(struct sk_buff *skb,
struct ieee802154_addr dev_addr;
struct mac802154_sub_if_data *priv = netdev_priv(dev);
int pos = 2;
- u8 *head;
+ u8 head[MAC802154_FRAME_HARD_HEADER_LEN];
u16 fc;
if (!daddr)
return -EINVAL;
- head = kzalloc(MAC802154_FRAME_HARD_HEADER_LEN, GFP_KERNEL);
- if (head == NULL)
- return -ENOMEM;
-
head[pos++] = mac_cb(skb)->seq; /* DSN/BSN */
fc = mac_cb_type(skb);
@@ -210,7 +206,6 @@ static int mac802154_header_create(struct sk_buff *skb,
head[1] = fc >> 8;
memcpy(skb_push(skb, pos), head, pos);
- kfree(head);
return pos;
}
--
1.8.1.2
------------------------------------------------------------------------------
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