add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/kernel/acct.c
..
..
@@ -331,6 +331,8 @@
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 		exp++;
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 	}
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+	if (exp > (((comp_t) ~0U) >> MANTSIZE))
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+		return (comp_t) ~0U;
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 	/*
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 	 * Clean it up and polish it off.
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 	 */