linux-kernel - [PATCH 3.10 170/319] NFSD: Using free

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Message-Id: <1486322541-8206-71-git-send-email-w@1wt.eu>
Date:   Sun,  5 Feb 2017 20:19:52 +0100
From:   Willy Tarreau <w@....eu>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        linux@...ck-us.net
Cc:     Kinglong Mee <kinglongmee@...il.com>,
        "J . Bruce Fields" <bfields@...hat.com>, Willy Tarreau <w@....eu>
Subject: [PATCH 3.10 170/319] NFSD: Using free_conn free connection

From: Kinglong Mee <kinglongmee@...il.com>

commit 3f42d2c428c724212c5f4249daea97e254eb0546 upstream.

Connection from alloc_conn must be freed through free_conn,
otherwise, the reference of svc_xprt will never be put.

Signed-off-by: Kinglong Mee <kinglongmee@...il.com>
Signed-off-by: J. Bruce Fields <bfields@...hat.com>
Signed-off-by: Willy Tarreau <w@....eu>
---
 fs/nfsd/nfs4state.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 4a58afa..b0878e1 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2193,7 +2193,8 @@ out:
 	if (!list_empty(&clp->cl_revoked))
 		seq->status_flags |= SEQ4_STATUS_RECALLABLE_STATE_REVOKED;
 out_no_session:
-	kfree(conn);
+	if (conn)
+		free_conn(conn);
 	spin_unlock(&nn->client_lock);
 	return status;
 out_put_session:
-- 
2.8.0.rc2.1.gbe9624a