tc1100-wmi - Fail gracefully if ACPI is disabled From: Carlos Corbacho <[EMAIL PROTECTED]>
WMI drivers, like their ACPI counterparts, should also check if ACPI is disabled or not, and bail out if so, otherwise we cause a crash. Spotted by Ingo Molnar. Signed-off-by: Carlos Corbacho <[EMAIL PROTECTED]> CC: Ingo Molnar <[EMAIL PROTECTED]> CC: Linus Torvalds <[EMAIL PROTECTED]> CC: Andrew Morton <[EMAIL PROTECTED]> CC: Len Brown <[EMAIL PROTECTED]> --- drivers/misc/tc1100-wmi.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/misc/tc1100-wmi.c b/drivers/misc/tc1100-wmi.c index f25e4c9..cb8f79f 100644 --- a/drivers/misc/tc1100-wmi.c +++ b/drivers/misc/tc1100-wmi.c @@ -263,6 +263,9 @@ static int __init tc1100_init(void) { int result = 0; + if (acpi_disabled) + return -ENODEV; + if (!wmi_has_guid(GUID)) return -ENODEV; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/