From: Anjaneyulu <pagadala.yesu.anjaneyulu@xxxxxxxxx> Verify slots_num is valid in iwl_txq_alloc() Signed-off-by: Anjaneyulu <pagadala.yesu.anjaneyulu@xxxxxxxxx> Signed-off-by: Gregory Greenman <gregory.greenman@xxxxxxxxx> --- drivers/net/wireless/intel/iwlwifi/queue/tx.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/queue/tx.c b/drivers/net/wireless/intel/iwlwifi/queue/tx.c index d1c39c214f95..245bff01b4f8 100644 --- a/drivers/net/wireless/intel/iwlwifi/queue/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/queue/tx.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2020-2022 Intel Corporation + * Copyright (C) 2020-2023 Intel Corporation */ #include <net/tso.h> #include <linux/tcp.h> @@ -1027,6 +1027,9 @@ int iwl_txq_alloc(struct iwl_trans *trans, struct iwl_txq *txq, int slots_num, size_t tb0_buf_sz; int i; + if (WARN_ONCE(slots_num <= 0, "Invalid slots num:%d\n", slots_num)) + return -EINVAL; + if (WARN_ON(txq->entries || txq->tfds)) return -EINVAL; -- 2.38.1
