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Kernel: Dont crash if power states gets set to an invalid value

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This commit is contained in:
Undefine 2023-02-18 21:32:24 +01:00 committed by Linus Groh
parent b4113536ef
commit ab298ca106
Notes: sideshowbarker 2024-07-17 20:33:50 +09:00 
Author: https://github.com/cqundefine
Commit: https://github.com/SerenityOS/serenity/commit/ab298ca106
Pull-request: https://github.com/SerenityOS/serenity/pull/17528
Reviewed-by: https://github.com/AtkinsSJ ✅
1 changed files with 1 additions and 5 deletions
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6
Kernel/FileSystem/SysFS/Subsystems/Kernel/PowerStateSwitch.cpp
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@ -57,11 +57,7 @@ ErrorOr<size_t> SysFSPowerStateSwitchNode::write_bytes(off_t offset, size_t coun
return Error::from_errno(EINVAL);
char buf[1];
TRY(data.read(buf, 1));
if (buf[0] == '0')
return Error::from_errno(EINVAL);
switch (buf[0]) {
case '0':
VERIFY_NOT_REACHED();
case '1':
reboot();
VERIFY_NOT_REACHED();
@ -69,7 +65,7 @@ ErrorOr<size_t> SysFSPowerStateSwitchNode::write_bytes(off_t offset, size_t coun
poweroff();
VERIFY_NOT_REACHED();
default:
VERIFY_NOT_REACHED();
return Error::from_errno(EINVAL);
}
}