[PATCH BlueZ] gatt: Fix not sending any data when server supports AcquireWrite

[Luiz Augusto von Dentz <luiz.dentz@xxxxxxxxx>]

From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>

msg.msg_iovlen should be set to 1 to forward the data received over the
file descriptor.
---
 src/gatt-database.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gatt-database.c b/src/gatt-database.c
index 483c84341..db67dd3f8 100644
--- a/src/gatt-database.c
+++ b/src/gatt-database.c
@@ -2396,6 +2396,7 @@ static int sock_io_send(struct io *io, const void *data, size_t len)
 
 	memset(&msg, 0, sizeof(msg));
 	msg.msg_iov = &iov;
+	msg.msg_iovlen = 1;
 
 	return sendmsg(io_get_fd(io), &msg, MSG_NOSIGNAL);
 }
-- 
2.21.1