xprtrdma: Return an errno from rpcrdma_register_external()
The RPC/RDMA send_request method and the chunk registration code expects an errno from the registration function. This allows the upper layers to distinguish between a recoverable failure (for example, temporary memory exhaustion) and a hard failure (for example, a bug in the registration logic). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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@ -1918,10 +1918,10 @@ rpcrdma_register_external(struct rpcrdma_mr_seg *seg,
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break;
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break;
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default:
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default:
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return -1;
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return -EIO;
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}
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}
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if (rc)
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if (rc)
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return -1;
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return rc;
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return nsegs;
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return nsegs;
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}
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}
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