According to the comments of write_acpi_int_ret(), write_acpi_int_ret() should return 0 if write is successful, -1 else. Thus if handle is NULL, the write does not happen, it should return -1. Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx> --- drivers/platform/x86/asus-laptop.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 71db2ef..93487eb 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -297,7 +297,7 @@ static int write_acpi_int_ret(acpi_handle handle, const char *method, int val, acpi_status status; if (!handle) - return 0; + return -1; params.count = 1; params.pointer = &in_obj; -- 1.5.4.3 -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html