We can currently loop forever in nfs4_lookup_root() and in
nfs41_proc_secinfo_no_name(), if the first iteration returns a
NFS4ERR_DELAY or something else that causes exception.retry to get
set.
Reported-by: Dros Adamson <Weston.Adamson@xxxxxxxxxx>
Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
fs/nfs/nfs4proc.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 45df7d4..ee9ca19 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2290,11 +2290,12 @@ static int nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle,
switch (err) {
case 0:
case -NFS4ERR_WRONGSEC:
- break;
+ goto out;
default:
err = nfs4_handle_exception(server, err, &exception);
}
} while (exception.retry);
+out:
return err;
}
@@ -6229,11 +6230,12 @@ nfs41_proc_secinfo_no_name(struct nfs_server *server, struct nfs_fh *fhandle,
case 0:
case -NFS4ERR_WRONGSEC:
case -NFS4ERR_NOTSUPP:
- break;
+ goto out;
default:
err = nfs4_handle_exception(server, err, &exception);
}
} while (exception.retry);
+out:
return err;
}
--
1.7.7.6
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