On Tuesday, November 05, 2013 11:20:07 PM Dan Carpenter wrote: > We dereference extlog_l1_addr so the check is too late. The > "extlog_l1_addr" pointer can never be NULL when this function is called > so I have removed the check. > > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> I'm wondering what kernel you have checked, because drivers/acpi/acpi_extlog.c is not present in the mainline or even in linux-next? Rafael > > diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c > index c4d5e59..d59e4bb 100644 > --- a/drivers/acpi/acpi_extlog.c > +++ b/drivers/acpi/acpi_extlog.c > @@ -308,8 +308,7 @@ static void __exit extlog_exit(void) > { > mce_unregister_decode_chain(&extlog_mce_dec); > ((struct extlog_l1_head *)extlog_l1_addr)->flags &= ~FLAG_OS_OPTIN; > - if (extlog_l1_addr) > - acpi_os_unmap_memory(extlog_l1_addr, l1_size); > + acpi_os_unmap_memory(extlog_l1_addr, l1_size); > if (elog_addr) > acpi_os_unmap_memory(elog_addr, elog_size); > release_mem_region(elog_base, elog_size); > -- > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html