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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-06-24 10:55:47 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2016-07-13 15:53:44 -0400 |
| commit | 069c225b88202c84bdbe18bed9e30e77924fdd0a (patch) | |
| tree | 2518e0a9a9a74ff4b5f23e797424c8c27b46e95b | |
| parent | 104f6351f7dc0036575b4e47765d6d39c757c066 (diff) | |
| download | op-kernel-dev-069c225b88202c84bdbe18bed9e30e77924fdd0a.zip op-kernel-dev-069c225b88202c84bdbe18bed9e30e77924fdd0a.tar.gz | |
SUNRPC: lock the socket while detaching it
Prevent callbacks from triggering while we're detaching the socket.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
| -rw-r--r-- | net/sunrpc/svcsock.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index dadfec6..abe2da6 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -1611,9 +1611,12 @@ static void svc_sock_detach(struct svc_xprt *xprt) dprintk("svc: svc_sock_detach(%p)\n", svsk); /* put back the old socket callbacks */ + lock_sock(sk); sk->sk_state_change = svsk->sk_ostate; sk->sk_data_ready = svsk->sk_odata; sk->sk_write_space = svsk->sk_owspace; + sk->sk_user_data = NULL; + release_sock(sk); wq = sk_sleep(sk); if (sunrpc_waitqueue_active(wq)) |
