From: Johannes Berg johannes.berg@intel.com
[ Upstream commit 6ccfc7c49b6d99e3b857afb064e56a004b0a5e03 ]
In practice, iwl_trans_get_rxq_dma_data() will not fail, it only can do that if called with the wrong arguments. But it does have an error value and doesn't initialize the argument when it fails, so don't use the value then.
Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Miri Korenblit miriam.rachel.korenblit@intel.com Link: https://msgid.link/20240512072733.faf3a1b87589.I77c950173cb914676fbd28483e5e... Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/intel/iwlwifi/fw/init.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/init.c b/drivers/net/wireless/intel/iwlwifi/fw/init.c index 135bd48bfe9fa..d8b083be5b6b5 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/init.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/init.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* * Copyright (C) 2017 Intel Deutschland GmbH - * Copyright (C) 2019-2021 Intel Corporation + * Copyright (C) 2019-2021, 2024 Intel Corporation */ #include "iwl-drv.h" #include "runtime.h" @@ -135,7 +135,9 @@ int iwl_configure_rxq(struct iwl_fw_runtime *fwrt) struct iwl_trans_rxq_dma_data data;
cmd->data[i].q_num = i + 1; - iwl_trans_get_rxq_dma_data(fwrt->trans, i + 1, &data); + ret = iwl_trans_get_rxq_dma_data(fwrt->trans, i + 1, &data); + if (ret) + goto out;
cmd->data[i].fr_bd_cb = cpu_to_le64(data.fr_bd_cb); cmd->data[i].urbd_stts_wrptr = @@ -149,6 +151,7 @@ int iwl_configure_rxq(struct iwl_fw_runtime *fwrt)
ret = iwl_trans_send_cmd(fwrt->trans, &hcmd);
+out: kfree(cmd);
if (ret)