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From: Antonio Quartulli
To: davem@davemloft.net
Date: Wed, 10 Feb 2016 23:57:09 +0800
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Cc: netdev@vger.kernel.org, b.a.t.m.a.n@lists.open-mesh.org,
Antonio Quartulli ,
Marek Lindner
Subject: [B.A.T.M.A.N.] [PATCH 03/21] batman-adv: Add lockdep assert for
container_list_lock
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From: Sven Eckelmann
The batadv_tvlv_container* functions state in their kernel-doc that they
require tvlv.container_list_lock. Add an assert to automatically detect
when this might have been ignored by the caller.
Signed-off-by: Sven Eckelmann
Signed-off-by: Marek Lindner
Signed-off-by: Antonio Quartulli
---
net/batman-adv/main.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index 5f319fd6ecd7..a9b4f75db874 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -697,6 +697,8 @@ static struct batadv_tvlv_container
{
struct batadv_tvlv_container *tvlv_tmp, *tvlv = NULL;
+ lockdep_assert_held(&bat_priv->tvlv.container_list_lock);
+
hlist_for_each_entry(tvlv_tmp, &bat_priv->tvlv.container_list, list) {
if (tvlv_tmp->tvlv_hdr.type != type)
continue;
@@ -729,6 +731,8 @@ static u16 batadv_tvlv_container_list_size(struct batadv_priv *bat_priv)
struct batadv_tvlv_container *tvlv;
u16 tvlv_len = 0;
+ lockdep_assert_held(&bat_priv->tvlv.container_list_lock);
+
hlist_for_each_entry(tvlv, &bat_priv->tvlv.container_list, list) {
tvlv_len += sizeof(struct batadv_tvlv_hdr);
tvlv_len += ntohs(tvlv->tvlv_hdr.len);