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| author | Bryan Schumaker <bjschuma@netapp.com> | 2012-03-12 19:33:00 +0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-03-12 20:51:42 +0400 |
| commit | 11588f493a2441f09ceb2088d07cc012b53cbf75 (patch) | |
| tree | f1f0f598ee239edd9e423bc745d1be77641ce36c | |
| parent | 4b7c8dd205d6df1629ccde9f6dcf6a85d34c37ff (diff) | |
| download | linux-11588f493a2441f09ceb2088d07cc012b53cbf75.tar.xz | |
NFS: Check return value from rpc_queue_upcall()
This function could fail to queue the upcall if rpc.idmapd is not running,
causing a warning message to be printed. Instead, I want to check the
return value and revoke the key if the upcall can't be run.
Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | fs/nfs/idmap.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c index f9f89fc83ee0..a701a83047d3 100644 --- a/fs/nfs/idmap.c +++ b/fs/nfs/idmap.c @@ -656,14 +656,19 @@ static int nfs_idmap_legacy_upcall(struct key_construction *cons, idmap->idmap_key_cons = cons; - return rpc_queue_upcall(idmap->idmap_pipe, msg); + ret = rpc_queue_upcall(idmap->idmap_pipe, msg); + if (ret < 0) + goto out2; + + return ret; out2: kfree(im); out1: kfree(msg); out0: - complete_request_key(cons, ret); + key_revoke(cons->key); + key_revoke(cons->authkey); return ret; } |