export RK_PA3

hc

2024-02-19 151fecfb72a0d602dfe79790602ef64b4e241574

 kernel/fs/nfsd/flexfilelayoutxdr.c
..
..
@@ -85,6 +85,15 @@
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 	int addr_len;
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 	__be32 *p;
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+	/*
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+	 * See paragraph 5 of RFC 8881 S18.40.3.
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+	 */
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+	if (!gdp->gd_maxcount) {
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+		if (xdr_stream_encode_u32(xdr, 0) != XDR_UNIT)
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+			return nfserr_resource;
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+		return nfs_ok;
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+	}
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+
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 	/* len + padding for two strings */
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 	addr_len = 16 + da->netaddr.netid_len + da->netaddr.addr_len;
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 	ver_len = 20;