diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/uefi.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/uefi.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/uefi.c b/drivers/net/wireless/intel/iwlwifi/fw/uefi.c index 48126ec6b94b..4ae4d215e633 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/uefi.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/uefi.c @@ -727,6 +727,8 @@ int iwl_uefi_get_dsm(struct iwl_fw_runtime *fwrt, enum iwl_dsm_funcs func, struct uefi_cnv_var_general_cfg *data; int ret = -EINVAL; + BUILD_BUG_ON(ARRAY_SIZE(data->functions) < DSM_FUNC_NUM_FUNCS); + /* Not supported function index */ if (func >= DSM_FUNC_NUM_FUNCS || func == 5) return -EOPNOTSUPP; @@ -742,8 +744,9 @@ int iwl_uefi_get_dsm(struct iwl_fw_runtime *fwrt, enum iwl_dsm_funcs func, goto out; } - if (ARRAY_SIZE(data->functions) != UEFI_MAX_DSM_FUNCS) { - IWL_DEBUG_RADIO(fwrt, "Invalid size of DSM functions array\n"); + if (!(data->functions[DSM_FUNC_QUERY] & BIT(func))) { + IWL_DEBUG_RADIO(fwrt, "DSM func %d not in 0x%x\n", + func, data->functions[DSM_FUNC_QUERY]); goto out; } |