From: Shahar S Matityahu <shahar.s.matityahu@xxxxxxxxx> Allows to abort region collection in case the region size is 0. It is needed for future regions that their size might be 0. Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@xxxxxxxxx> Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx> --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 53 +++++++++++++-------- 1 file changed, 33 insertions(+), 20 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index ca4dea1dceba..8e2cf7141f0a 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1674,20 +1674,24 @@ iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt, struct iwl_dump_ini_mem_ops *ops) { struct iwl_fw_ini_error_dump_header *header = (void *)(*data)->data; - u32 num_of_ranges, i, type = le32_to_cpu(reg->region_type); + u32 num_of_ranges, i, type = le32_to_cpu(reg->region_type), size; void *range; if (WARN_ON(!ops || !ops->get_num_of_ranges || !ops->get_size || !ops->fill_mem_hdr || !ops->fill_range)) return; + size = ops->get_size(fwrt, reg); + if (!size) + return; + IWL_DEBUG_FW(fwrt, "WRT: collecting region: id=%d, type=%d\n", le32_to_cpu(reg->region_id), type); num_of_ranges = ops->get_num_of_ranges(fwrt, reg); (*data)->type = cpu_to_le32(type | INI_DUMP_BIT); - (*data)->len = cpu_to_le32(ops->get_size(fwrt, reg)); + (*data)->len = cpu_to_le32(size); header->region_id = reg->region_id; header->num_of_ranges = cpu_to_le32(num_of_ranges); @@ -1700,7 +1704,7 @@ iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt, IWL_ERR(fwrt, "WRT: failed to fill region header: id=%d, type=%d\n", le32_to_cpu(reg->region_id), type); - memset(*data, 0, le32_to_cpu((*data)->len)); + memset(*data, 0, size); return; } @@ -1711,7 +1715,7 @@ iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt, IWL_ERR(fwrt, "WRT: failed to dump region: id=%d, type=%d\n", le32_to_cpu(reg->region_id), type); - memset(*data, 0, le32_to_cpu((*data)->len)); + memset(*data, 0, size); return; } range = range + range_size; @@ -1722,7 +1726,8 @@ iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt, static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt, struct iwl_fw_ini_trigger *trigger) { - int i, size = 0, hdr_len = sizeof(struct iwl_fw_error_dump_data); + int i, ret_size = 0, hdr_len = sizeof(struct iwl_fw_error_dump_data); + u32 size; if (!trigger || !trigger->num_regions) return 0; @@ -1754,32 +1759,40 @@ static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt, case IWL_FW_INI_REGION_CSR: case IWL_FW_INI_REGION_LMAC_ERROR_TABLE: case IWL_FW_INI_REGION_UMAC_ERROR_TABLE: - size += hdr_len + iwl_dump_ini_mem_get_size(fwrt, reg); + size = iwl_dump_ini_mem_get_size(fwrt, reg); + if (size) + ret_size += hdr_len + size; break; case IWL_FW_INI_REGION_TXF: - size += hdr_len + iwl_dump_ini_txf_get_size(fwrt, reg); + size = iwl_dump_ini_txf_get_size(fwrt, reg); + if (size) + ret_size += hdr_len + size; break; case IWL_FW_INI_REGION_RXF: - size += hdr_len + iwl_dump_ini_rxf_get_size(fwrt, reg); + size = iwl_dump_ini_rxf_get_size(fwrt, reg); + if (size) + ret_size += hdr_len + size; break; case IWL_FW_INI_REGION_PAGING: - size += hdr_len; - if (iwl_fw_dbg_is_paging_enabled(fwrt)) { - size += iwl_dump_ini_paging_get_size(fwrt, reg); - } else { - size += iwl_dump_ini_paging_gen2_get_size(fwrt, - reg); - } + if (iwl_fw_dbg_is_paging_enabled(fwrt)) + size = iwl_dump_ini_paging_get_size(fwrt, reg); + else + size = iwl_dump_ini_paging_gen2_get_size(fwrt, + reg); + if (size) + ret_size += hdr_len + size; break; case IWL_FW_INI_REGION_DRAM_BUFFER: if (!fwrt->trans->num_blocks) break; - size += hdr_len + - iwl_dump_ini_mon_dram_get_size(fwrt, reg); + size = iwl_dump_ini_mon_dram_get_size(fwrt, reg); + if (size) + ret_size += hdr_len + size; break; case IWL_FW_INI_REGION_INTERNAL_BUFFER: - size += hdr_len + - iwl_dump_ini_mon_smem_get_size(fwrt, reg); + size = iwl_dump_ini_mon_smem_get_size(fwrt, reg); + if (size) + ret_size += hdr_len + size; break; case IWL_FW_INI_REGION_DRAM_IMR: /* Undefined yet */ @@ -1787,7 +1800,7 @@ static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt, break; } } - return size; + return ret_size; } static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, -- 2.20.1