diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-03-27 18:13:02 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-02 10:32:22 -0700 |
| commit | 8633c0f77dae2f0aae7fb38782402b32734e9675 (patch) | |
| tree | ab1eae89e681b364ed661d65539cdd6c43b4a1eb /fs | |
| parent | 110fe37c1fe381d3d1f9fcef189445a813f2a4ae (diff) | |
NFSv4: Fix two infinite loops in the mount code
commit 05e9cfb408b24debb3a85fd98edbfd09dd148881 upstream.
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: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | 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 78a6fe8ad3fd..9996d54102b6 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2249,11 +2249,12 @@ 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; } @@ -6068,11 +6069,12 @@ 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; } |