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authorTrond Myklebust <trond.myklebust@hammerspace.com>2018-12-17 17:38:51 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-13 10:01:00 +0100
commit8265e34e5705c21978f1e3359c430832110057f1 (patch)
treea655f9b7fc810103d73acbc7ee5c83a6a0764c61 /net/sunrpc
parent1eac41bac7c9a578c6bd93d4660fa4c67b4238d9 (diff)
SUNRPC: Fix a race with XPRT_CONNECTING
[ Upstream commit cf76785d30712d90185455e752337acdb53d2a5d ] Ensure that we clear XPRT_CONNECTING before releasing the XPRT_LOCK so that we don't have races between the (asynchronous) socket setup code and tasks in xprt_connect(). Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Tested-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/xprtsock.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 30192abfdc3b..05a58cc1b0cd 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2223,8 +2223,8 @@ static void xs_udp_setup_socket(struct work_struct *work)
trace_rpc_socket_connect(xprt, sock, 0);
status = 0;
out:
- xprt_unlock_connect(xprt, transport);
xprt_clear_connecting(xprt);
+ xprt_unlock_connect(xprt, transport);
xprt_wake_pending_tasks(xprt, status);
}
@@ -2451,8 +2451,8 @@ static void xs_tcp_setup_socket(struct work_struct *work)
}
status = -EAGAIN;
out:
- xprt_unlock_connect(xprt, transport);
xprt_clear_connecting(xprt);
+ xprt_unlock_connect(xprt, transport);
xprt_wake_pending_tasks(xprt, status);
}