From: Johan Hedberg <johan.hedberg@intel.com>
Date: Wed, 25 Sep 2013 10:26:04 +0000 (+0300)
Subject: Bluetooth: Add clarifying comment to bt_sock_wait_state()
X-Git-Tag: accepted/tizen/common/20141203.182822~1141^2~225^2~24^2~47
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0fba96f97bba73469dd952319fddc4a3cc99dd97;p=platform%2Fkernel%2Flinux-arm64.git

Bluetooth: Add clarifying comment to bt_sock_wait_state()

The bt_sock_wait_state requires the sk lock to be held (through
lock_sock) so document it clearly in the code.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
---

diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index c600631..e6e1278 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -490,6 +490,7 @@ int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 }
 EXPORT_SYMBOL(bt_sock_ioctl);
 
+/* This function expects the sk lock to be held when called */
 int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo)
 {
 	DECLARE_WAITQUEUE(wait, current);