From 05570a2b01117209b500e1989ce8f1b0524c489f Mon Sep 17 00:00:00 2001 From: "J. Bruce Fields" Date: Mon, 14 Jun 2021 11:20:49 -0400 Subject: nfsd: rpc_peeraddr2str needs rcu lock I'm not even sure cl_xprt can change here, but we're getting "suspicious RCU usage" warnings, and other rpc_peeraddr2str callers are taking the rcu lock. Signed-off-by: J. Bruce Fields --- fs/nfsd/nfs4callback.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'fs/nfsd/nfs4callback.c') diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index 84401ca04705..0f8b10f363e7 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -939,8 +939,10 @@ static int setup_callback_client(struct nfs4_client *clp, struct nfs4_cb_conn *c } clp->cl_cb_client = client; clp->cl_cb_cred = cred; + rcu_read_lock(); trace_nfsd_cb_setup(clp, rpc_peeraddr2str(client, RPC_DISPLAY_NETID), args.authflavor); + rcu_read_unlock(); return 0; } -- cgit v1.2.3