Bluetooth: Fix TX error path in btsdio driver

This patch fixes accumulating of the header in case packet was requeued
in the error path.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c
index cda6c7c..f2ada0c 100644
--- a/drivers/bluetooth/btsdio.c
+++ b/drivers/bluetooth/btsdio.c
@@ -91,6 +91,7 @@
 
 	err = sdio_writesb(data->func, REG_TDAT, skb->data, skb->len);
 	if (err < 0) {
+		skb_pull(skb, 4);
 		sdio_writeb(data->func, 0x01, REG_PC_WRT, NULL);
 		return err;
 	}