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From: Jules Irenge <jbi.octave@gmail.com>
To: boqun.feng@gmail.com
Cc: linux-kernel@vger.kernel.org, bpf@vger.kernel.org,
	netdev@vger.kernel.org, "David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Allison Randal <allison@lohutok.net>,
	Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>,
	Patrick Talbert <ptalbert@redhat.com>,
	Taehee Yoo <ap420073@gmail.com>,
	Li RongQing <lirongqing@baidu.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Subject: [PATCH 6/8] net: Add missing annotation for *netlink_seq_start()
Date: Wed, 11 Mar 2020 01:09:06 +0000	[thread overview]
Message-ID: <20200311010908.42366-7-jbi.octave@gmail.com> (raw)
In-Reply-To: <20200311010908.42366-1-jbi.octave@gmail.com>

Sparse reports a warning at netlink_seq_start()

warning: context imbalance in netlink_seq_start() - wrong count at exit
The root cause is the missing annotation at netlink_seq_start()
Add the missing  __acquires(RCU) annotation

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
---
 net/netlink/af_netlink.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 7a287dc73f63..99eef04a51ec 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2582,6 +2582,7 @@ static void *__netlink_seq_next(struct seq_file *seq)
 }
 
 static void *netlink_seq_start(struct seq_file *seq, loff_t *posp)
+	__acquires(RCU)
 {
 	struct nl_seq_iter *iter = seq->private;
 	void *obj = SEQ_START_TOKEN;
-- 
2.24.1


  parent reply	other threads:[~2020-03-11  1:09 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <0/8>
2020-03-11  1:09 ` [PATCH 0/8] Lock warning cleanups Jules Irenge
2020-03-11  1:09   ` [PATCH 1/8] bpf: Add missing annotations for __bpf_prog_enter() and __bpf_prog_exit() Jules Irenge
2020-03-13 19:49     ` Daniel Borkmann
2020-03-11  1:09   ` [PATCH 2/8] raw: Add missing annotations to raw_seq_start() and raw_seq_stop() Jules Irenge
2020-03-11  1:15     ` Eric Dumazet
2020-03-11  1:40       ` Jules Irenge
2020-03-12  6:20     ` David Miller
2020-03-11  1:09   ` [PATCH 3/8] tcp: Add missing annotation for tcp_child_process() Jules Irenge
2020-03-11  1:14     ` Eric Dumazet
2020-03-11  1:28       ` Jules Irenge
2020-03-12  6:20     ` David Miller
2020-03-11  1:09   ` [PATCH 4/8] netfilter: Add missing annotation for ctnetlink_parse_nat_setup() Jules Irenge
2020-03-27 17:22     ` Pablo Neira Ayuso
2020-03-11  1:09   ` [PATCH 5/8] netfilter: conntrack: Add missing annotations for nf_conntrack_all_lock() and nf_conntrack_all_unlock() Jules Irenge
2020-03-27 17:22     ` Pablo Neira Ayuso
2020-03-11  1:09   ` Jules Irenge [this message]
2020-03-12  6:20     ` [PATCH 6/8] net: Add missing annotation for *netlink_seq_start() David Miller
2020-03-11  1:09   ` [PATCH 7/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_queue() Jules Irenge
2020-03-11  3:19     ` Takashi Sakamoto
2020-03-11  6:56     ` Takashi Iwai
2020-03-11  1:09   ` [PATCH 8/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_locked() Jules Irenge
2020-03-11  3:18     ` Takashi Sakamoto
2020-03-11  6:56     ` Takashi Iwai

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