linux-kernel - [PATCH 6/6] fs: add missing annotation for pin

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Message-Id: <20200316233804.96657-7-jbi.octave@gmail.com>
Date:   Mon, 16 Mar 2020 23:38:04 +0000
From:   Jules Irenge <jbi.octave@...il.com>
To:     boqun.feng@...il.com
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Alexander Viro <viro@...iv.linux.org.uk>
Subject: [PATCH 6/6] fs: add missing annotation for pin_kill()

Sparse reports a warning at pin_kill()

warning: context imbalance in pin_kill() - unexpected unlock

The root cause is the missing annotation at pin_kill()

Add the missing __releases(RCU)

Signed-off-by: Jules Irenge <jbi.octave@...il.com>
---
 fs/fs_pin.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/fs_pin.c b/fs/fs_pin.c
index 47ef3c71ce90..ee57700740df 100644
--- a/fs/fs_pin.c
+++ b/fs/fs_pin.c
@@ -28,6 +28,7 @@ void pin_insert(struct fs_pin *pin, struct vfsmount *m)
 }
 
 void pin_kill(struct fs_pin *p)
+	__releases(RCU)
 {
 	wait_queue_entry_t wait;
 
-- 
2.24.1