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ACPI: APEI: fix return value of __setup handlers
[ Upstream commitf3303ff649
] __setup() handlers should return 1 to indicate that the boot option has been handled. Returning 0 causes a boot option to be listed in the Unknown kernel command line parameters and also added to init's arg list (if no '=' sign) or environment list (if of the form 'a=b'). Unknown kernel command line parameters "erst_disable bert_disable hest_disable BOOT_IMAGE=/boot/bzImage-517rc6", will be passed to user space. Run /sbin/init as init process with arguments: /sbin/init erst_disable bert_disable hest_disable with environment: HOME=/ TERM=linux BOOT_IMAGE=/boot/bzImage-517rc6 Fixes:a3e2acc5e3
("ACPI / APEI: Add Boot Error Record Table (BERT) support") Fixes:a08f82d080
("ACPI, APEI, Error Record Serialization Table (ERST) support") Fixes:9dc9666416
("ACPI, APEI, HEST table parsing") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: Igor Zhbanov <i.zhbanov@omprussia.ru> Link: lore.kernel.org/r/64644a2f-4a20-bab3-1e15-3b2cdd0defe3@omprussia.ru Reviewed-by: "Huang, Ying" <ying.huang@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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3 changed files with 3 additions and 3 deletions
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@ -77,7 +77,7 @@ static int __init setup_bert_disable(char *str)
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{
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bert_disable = 1;
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return 0;
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return 1;
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}
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__setup("bert_disable", setup_bert_disable);
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@ -891,7 +891,7 @@ EXPORT_SYMBOL_GPL(erst_clear);
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static int __init setup_erst_disable(char *str)
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{
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erst_disable = 1;
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return 0;
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return 1;
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}
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__setup("erst_disable", setup_erst_disable);
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@ -224,7 +224,7 @@ static int __init hest_ghes_dev_register(unsigned int ghes_count)
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static int __init setup_hest_disable(char *str)
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{
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hest_disable = HEST_DISABLED;
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return 0;
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return 1;
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}
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__setup("hest_disable", setup_hest_disable);
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