From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
This adds bt_skb_pull which will be used to parse events, it checks
the skb contains the given length and then use skb_pull to advance in
data which avoid having to rely on another variable to track the
position in the buffer.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
---
include/net/bluetooth/bluetooth.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 9125effbf448..449bc8e112f9 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -420,6 +420,18 @@ static inline struct sk_buff *bt_skb_send_alloc(struct sock *sk,
return NULL;
}
+static inline void *bt_skb_pull(struct sk_buff *skb, size_t len)
+{
+ void *data = skb->data;
+
+ if (skb->len < len)
+ return NULL;
+
+ skb_pull(skb, len);
+
+ return data;
+}
+
int bt_to_errno(u16 code);
void hci_sock_set_flag(struct sock *sk, int nr);
--
2.30.2
