ACPI, APEI, ERST, Prevent erst_dbg from loading if ERST is disabled
erst_dbg module can not work when ERST is disabled. So disable module loading to provide clearer information to user. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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@ -213,6 +213,10 @@ static struct miscdevice erst_dbg_dev = {
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static __init int erst_dbg_init(void)
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static __init int erst_dbg_init(void)
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{
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{
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if (erst_disable) {
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pr_info(ERST_DBG_PFX "ERST support is disabled.\n");
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return -ENODEV;
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}
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return misc_register(&erst_dbg_dev);
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return misc_register(&erst_dbg_dev);
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}
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}
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