From 04dd17822334871b23ea2862f7798fb0e0007777 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 08:53:19 +0000
Subject: [PATCH] change otg to host mode
---
kernel/drivers/crypto/cavium/cpt/cptpf_main.c | 15 +++++++--------
1 files changed, 7 insertions(+), 8 deletions(-)
diff --git a/kernel/drivers/crypto/cavium/cpt/cptpf_main.c b/kernel/drivers/crypto/cavium/cpt/cptpf_main.c
index 06ad85a..d936219 100644
--- a/kernel/drivers/crypto/cavium/cpt/cptpf_main.c
+++ b/kernel/drivers/crypto/cavium/cpt/cptpf_main.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016 Cavium, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
*/
#include <linux/device.h>
@@ -257,6 +254,7 @@
const struct firmware *fw_entry;
struct device *dev = &cpt->pdev->dev;
struct ucode_header *ucode;
+ unsigned int code_length;
struct microcode *mcode;
int j, ret = 0;
@@ -267,19 +265,20 @@
ucode = (struct ucode_header *)fw_entry->data;
mcode = &cpt->mcode[cpt->next_mc_idx];
memcpy(mcode->version, (u8 *)fw_entry->data, CPT_UCODE_VERSION_SZ);
- mcode->code_size = ntohl(ucode->code_length) * 2;
- if (!mcode->code_size) {
+ code_length = ntohl(ucode->code_length);
+ if (code_length == 0 || code_length >= INT_MAX / 2) {
ret = -EINVAL;
goto fw_release;
}
+ mcode->code_size = code_length * 2;
mcode->is_ae = is_ae;
mcode->core_mask = 0ULL;
mcode->num_cores = is_ae ? 6 : 10;
/* Allocate DMAable space */
- mcode->code = dma_zalloc_coherent(&cpt->pdev->dev, mcode->code_size,
- &mcode->phys_base, GFP_KERNEL);
+ mcode->code = dma_alloc_coherent(&cpt->pdev->dev, mcode->code_size,
+ &mcode->phys_base, GFP_KERNEL);
if (!mcode->code) {
dev_err(dev, "Unable to allocate space for microcode");
ret = -ENOMEM;
--
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