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| author |   J. Bruce Fields <bfields@redhat.com> | 2021-06-14 11:20:49 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2021-07-06 20:14:42 -0400 |
| commit | 05570a2b01117209b500e1989ce8f1b0524c489f (patch) | |
| tree | fd1680a3e48c47449b231589d13bc1c4ba4298b3 | |
| parent | rpc: remove redundant initialization of variable status (diff) | |
| download | linux-dev-05570a2b01117209b500e1989ce8f1b0524c489f.tar.xz linux-dev-05570a2b01117209b500e1989ce8f1b0524c489f.zip | |
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 <bfields@redhat.com>
| -rw-r--r-- | fs/nfsd/nfs4callback.c | 2 |
1 files changed, 2 insertions, 0 deletions
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; } |