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| author |   Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-03-27 18:13:02 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-03-27 21:53:14 -0400 |
| commit | 05e9cfb408b24debb3a85fd98edbfd09dd148881 (patch) | |
| tree | 47c4039701bf081a8b6e9209b65c1284f2183dd7 /fs | |
| parent | SUNRPC: Use the already looked-up xprt in rpcb_getport_async() (diff) | |
| download | linux-dev-05e9cfb408b24debb3a85fd98edbfd09dd148881.tar.xz linux-dev-05e9cfb408b24debb3a85fd98edbfd09dd148881.zip | |
NFSv4: Fix two infinite loops in the mount code
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>
Cc: stable@vger.kernel.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 45df7d4a3acc..ee9ca19457ab 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; } |