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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>
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@ -656,14 +656,19 @@ static int nfs_idmap_legacy_upcall(struct key_construction *cons,
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idmap->idmap_key_cons = cons;
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return rpc_queue_upcall(idmap->idmap_pipe, msg);
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ret = rpc_queue_upcall(idmap->idmap_pipe, msg);
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if (ret < 0)
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goto out2;
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return ret;
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out2:
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kfree(im);
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out1:
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kfree(msg);
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out0:
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complete_request_key(cons, ret);
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key_revoke(cons->key);
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key_revoke(cons->authkey);
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return ret;
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}
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