linux-kernel - [PATCH 25/30] tipc: Add missing annotation for tipc_node_read

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Date:   Fri, 14 Feb 2020 20:47:36 +0000
From:   Jules Irenge <jbi.octave@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     boqun.feng@...il.com, Jules Irenge <jbi.octave@...il.com>,
        Jon Maloy <jmaloy@...hat.com>,
        Ying Xue <ying.xue@...driver.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        netdev@...r.kernel.org (open list:TIPC NETWORK LAYER),
        tipc-discussion@...ts.sourceforge.net (open list:TIPC NETWORK LAYER)
Subject: [PATCH 25/30] tipc: Add missing annotation for tipc_node_read_unlock()

Sparse reports a warning at tipc_node_read_unlock()

warning: context imbalance in  tipc_node_read_unlock - unexpected unlock

The root cause is the missing annotation at tipc_node_read_unlock()
Add the missing __releases(&n->lock) annotation

Signed-off-by: Jules Irenge <jbi.octave@...il.com>
---
 net/tipc/node.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/tipc/node.c b/net/tipc/node.c
index 4e267ed94a2a..eafa38896e3a 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -356,7 +356,7 @@ static void tipc_node_read_lock(struct tipc_node *n) __acquires(&n->lock)
 	read_lock_bh(&n->lock);
 }
 
-static void tipc_node_read_unlock(struct tipc_node *n)
+static void tipc_node_read_unlock(struct tipc_node *n) __releases(&n->lock)
 {
 	read_unlock_bh(&n->lock);
 }
-- 
2.24.1