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

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Undefine 2023-02-18 21:32:24 +01:00 • committed by Linus Groh
parent b4113536ef
commit ab298ca106
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); return Error::from_errno(EINVAL);
char buf[1]; char buf[1];
TRY(data.read(buf, 1)); TRY(data.read(buf, 1));
if (buf[0] == '0')
return Error::from_errno(EINVAL);
switch (buf[0]) { switch (buf[0]) {
case '0':
VERIFY_NOT_REACHED();
case '1': case '1':
reboot(); reboot();
VERIFY_NOT_REACHED(); VERIFY_NOT_REACHED();
@ -69,7 +65,7 @@ ErrorOr<size_t> SysFSPowerStateSwitchNode::write_bytes(off_t offset, size_t coun
poweroff(); poweroff();
VERIFY_NOT_REACHED(); VERIFY_NOT_REACHED();
default: default:
VERIFY_NOT_REACHED(); return Error::from_errno(EINVAL);
} }
} }