[PATCH BlueZ v2 1/3] doc/hci-protocol: Fix missing & on mtu argument in BT_RCVMTU example

[Zijun Hu]

getsockopt() requires a pointer argument, but mtu was passed by value.

Fix by using &mtu instead of mtu.

---
Changes since previous version:
- Improve the commit title and message
---
 doc/hci-protocol.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/hci-protocol.rst b/doc/hci-protocol.rst
index f28684655842..db10b35df736 100644
--- a/doc/hci-protocol.rst
+++ b/doc/hci-protocol.rst
@@ -129,17 +129,17 @@ Example:
 
 .. code-block::
 
     uint16_t mtu;
     socklen_t len;
     int err;
 
     len = sizeof(mtu);
-    err = getsockopt(sock, SOL_BLUETOOTH, BT_RCVMTU, mtu, &len);
+    err = getsockopt(sock, SOL_BLUETOOTH, BT_RCVMTU, &mtu, &len);
 
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 =========
 
 http://www.bluez.org
 
 REPORTING BUGS
 ==============

-- 
2.34.1