From 244b2c5ca8b14627e4a17755e5922221e121c771 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 09 Oct 2024 06:15:07 +0000
Subject: [PATCH] change system file
---
kernel/drivers/scsi/aacraid/commctrl.c | 92 ++++++++++++++++++++++-----------------------
1 files changed, 45 insertions(+), 47 deletions(-)
diff --git a/kernel/drivers/scsi/aacraid/commctrl.c b/kernel/drivers/scsi/aacraid/commctrl.c
index 25f6600..1b1da16 100644
--- a/kernel/drivers/scsi/aacraid/commctrl.c
+++ b/kernel/drivers/scsi/aacraid/commctrl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Adaptec AAC series RAID controller driver
* (c) Copyright 2001 Red Hat Inc.
@@ -9,25 +10,10 @@
* 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
* 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
* Module Name:
* commctrl.c
*
* Abstract: Contains all routines for control of the AFA comm layer
- *
*/
#include <linux/kernel.h>
@@ -39,14 +25,16 @@
#include <linux/completion.h>
#include <linux/dma-mapping.h>
#include <linux/blkdev.h>
+#include <linux/compat.h>
#include <linux/delay.h> /* ssleep prototype */
#include <linux/kthread.h>
-#include <linux/semaphore.h>
#include <linux/uaccess.h>
#include <scsi/scsi_host.h>
#include "aacraid.h"
+# define AAC_DEBUG_PREAMBLE KERN_INFO
+# define AAC_DEBUG_POSTAMBLE
/**
* ioctl_send_fib - send a FIB from userspace
* @dev: adapter is being processed
@@ -55,9 +43,6 @@
* This routine sends a fib to the adapter on behalf of a user level
* program.
*/
-# define AAC_DEBUG_PREAMBLE KERN_INFO
-# define AAC_DEBUG_POSTAMBLE
-
static int ioctl_send_fib(struct aac_dev * dev, void __user *arg)
{
struct hw_fib * kfib;
@@ -173,11 +158,12 @@
/**
* open_getadapter_fib - Get the next fib
+ * @dev: adapter is being processed
+ * @arg: arguments to the open call
*
* This routine will get the next Fib, if available, from the AdapterFibContext
* passed in from the user.
*/
-
static int open_getadapter_fib(struct aac_dev * dev, void __user *arg)
{
struct aac_fib_context * fibctx;
@@ -203,7 +189,7 @@
/*
* Initialize the mutex used to wait for the next AIF.
*/
- sema_init(&fibctx->wait_sem, 0);
+ init_completion(&fibctx->completion);
fibctx->wait = 0;
/*
* Initialize the fibs and set the count of fibs on
@@ -241,6 +227,12 @@
return status;
}
+struct compat_fib_ioctl {
+ u32 fibctx;
+ s32 wait;
+ compat_uptr_t fib;
+};
+
/**
* next_getadapter_fib - get the next fib
* @dev: adapter to use
@@ -249,7 +241,6 @@
* This routine will get the next Fib, if available, from the AdapterFibContext
* passed in from the user.
*/
-
static int next_getadapter_fib(struct aac_dev * dev, void __user *arg)
{
struct fib_ioctl f;
@@ -259,8 +250,19 @@
struct list_head * entry;
unsigned long flags;
- if(copy_from_user((void *)&f, arg, sizeof(struct fib_ioctl)))
- return -EFAULT;
+ if (in_compat_syscall()) {
+ struct compat_fib_ioctl cf;
+
+ if (copy_from_user(&cf, arg, sizeof(struct compat_fib_ioctl)))
+ return -EFAULT;
+
+ f.fibctx = cf.fibctx;
+ f.wait = cf.wait;
+ f.fib = compat_ptr(cf.fib);
+ } else {
+ if (copy_from_user(&f, arg, sizeof(struct fib_ioctl)))
+ return -EFAULT;
+ }
/*
* Verify that the HANDLE passed in was a valid AdapterFibContext
*
@@ -335,7 +337,7 @@
ssleep(1);
}
if (f.wait) {
- if(down_interruptible(&fibctx->wait_sem) < 0) {
+ if (wait_for_completion_interruptible(&fibctx->completion) < 0) {
status = -ERESTARTSYS;
} else {
/* Lock again and retry */
@@ -470,11 +472,10 @@
/**
- *
* aac_send_raw_scb
- *
+ * @dev: adapter is being processed
+ * @arg: arguments to the send call
*/
-
static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
{
struct fib* srbfib;
@@ -528,15 +529,10 @@
goto cleanup;
}
- user_srbcmd = kmalloc(fibsize, GFP_KERNEL);
- if (!user_srbcmd) {
- dprintk((KERN_DEBUG"aacraid: Could not make a copy of the srb\n"));
- rcode = -ENOMEM;
- goto cleanup;
- }
- if(copy_from_user(user_srbcmd, user_srb,fibsize)){
- dprintk((KERN_DEBUG"aacraid: Could not copy srb from user\n"));
- rcode = -EFAULT;
+ user_srbcmd = memdup_user(user_srb, fibsize);
+ if (IS_ERR(user_srbcmd)) {
+ rcode = PTR_ERR(user_srbcmd);
+ user_srbcmd = NULL;
goto cleanup;
}
@@ -692,8 +688,8 @@
goto cleanup;
}
}
- addr = pci_map_single(dev->pdev, p, sg_count[i],
- data_dir);
+ addr = dma_map_single(&dev->pdev->dev, p, sg_count[i],
+ data_dir);
hbacmd->sge[i].addr_hi = cpu_to_le32((u32)(addr>>32));
hbacmd->sge[i].addr_lo = cpu_to_le32(
(u32)(addr & 0xffffffff));
@@ -754,8 +750,8 @@
goto cleanup;
}
}
- addr = pci_map_single(dev->pdev, p,
- sg_count[i], data_dir);
+ addr = dma_map_single(&dev->pdev->dev, p,
+ sg_count[i], data_dir);
psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
@@ -810,8 +806,8 @@
goto cleanup;
}
}
- addr = pci_map_single(dev->pdev, p,
- sg_count[i], data_dir);
+ addr = dma_map_single(&dev->pdev->dev, p,
+ sg_count[i], data_dir);
psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
@@ -866,7 +862,9 @@
goto cleanup;
}
}
- addr = pci_map_single(dev->pdev, p, usg->sg[i].count, data_dir);
+ addr = dma_map_single(&dev->pdev->dev, p,
+ usg->sg[i].count,
+ data_dir);
psg->sg[i].addr = cpu_to_le32(addr & 0xffffffff);
byte_count += usg->sg[i].count;
@@ -905,8 +903,8 @@
goto cleanup;
}
}
- addr = pci_map_single(dev->pdev, p,
- sg_count[i], data_dir);
+ addr = dma_map_single(&dev->pdev->dev, p,
+ sg_count[i], data_dir);
psg->sg[i].addr = cpu_to_le32(addr);
byte_count += sg_count[i];
@@ -1061,7 +1059,7 @@
return retval;
}
-int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg)
+int aac_do_ioctl(struct aac_dev *dev, unsigned int cmd, void __user *arg)
{
int status;
--
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