Using this parameter one can disable the storage_size/2 check if he is really sure that the UEFI does sane gc. Signed-off-by: Richard Weinberger <richard@xxxxxx> --- drivers/firmware/efivars.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c index 8e87f8d..0e1d669 100644 --- a/drivers/firmware/efivars.c +++ b/drivers/firmware/efivars.c @@ -105,8 +105,10 @@ MODULE_VERSION(EFIVARS_VERSION); static bool efivars_pstore_disable = IS_ENABLED(CONFIG_EFI_VARS_PSTORE_DEFAULT_DISABLE); +static bool efivars_no_storage_paranoia; module_param_named(pstore_disable, efivars_pstore_disable, bool, 0644); +module_param_named(no_storage_paranoia, efivars_no_storage_paranoia, bool, 0644); /* * The maximum size of VariableName + Data = 1024 @@ -450,7 +452,10 @@ check_var_size_locked(struct efivars *efivars, u32 attributes, return status; if (!storage_size || size > remaining_size || - (max_size && size > max_size) || + (max_size && size > max_size)) + return EFI_OUT_OF_RESOURCES; + + if (!efivars_no_storage_paranoia && (remaining_size - size) < (storage_size / 2)) return EFI_OUT_OF_RESOURCES; -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
