commit 16f6ec984ea2b802d13cce07964ce386f3dcf3dc
author Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Fri Sep 02 15:22:16 2016 +0300
committer Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Mon Sep 05 12:27:21 2016 +0300
tree 7dacc768d7509fa74e805a006f8e11308c5e5c57
parent 23c8c897f08f7568e1f98eefc47be7ae3da5cd54

core/gatt-client: Fix not return empty array for ReadValue

The response to ReadValue shall be an array which can be empty.

src/gatt-client.c

diff --git a/src/gatt-client.c b/src/gatt-client.c
index 2af6979..57a1f66 100644
--- a/src/gatt-client.c
+++ b/src/gatt-client.c
@@ -297,7 +297,7 @@
 }
 
 static void async_dbus_op_reply(struct async_dbus_op *op, int err,
-				const uint8_t *value, size_t length)
+				const uint8_t *value, ssize_t length)
 {
 	const struct queue_entry *entry;
 	DBusMessage *reply;
@@ -319,7 +319,7 @@
 			return;
 		}
 
-		if (value)
+		if (length >= 0)
 			message_append_byte_array(reply, value, length);
 
 send_reply:
@@ -489,7 +489,7 @@
 	}
 
 done:
-	async_dbus_op_reply(op, err, NULL, 0);
+	async_dbus_op_reply(op, err, NULL, -1);
 }
 
 static void write_cb(bool success, uint8_t att_ecode, void *user_data)
@@ -1126,7 +1126,7 @@
 	else
 		err = att_ecode ? att_ecode : -ENOENT;
 
-	async_dbus_op_reply(op, err, NULL, 0);
+	async_dbus_op_reply(op, err, NULL, -1);
 }
 
 static void register_notify_cb(uint16_t att_ecode, void *user_data)