Nicolas Bouchinet 2cef5b4472 scsi: logging: Fix scsi_logging_level bounds
Bound scsi_logging_level sysctl writings between SYSCTL_ZERO and
SYSCTL_INT_MAX.

The proc_handler has thus been updated to proc_dointvec_minmax.

Signed-off-by: Nicolas Bouchinet <nicolas.bouchinet@ssi.gouv.fr>
Link: https://lore.kernel.org/r/20250224095826.16458-5-nicolas.bouchinet@clip-os.org
Reviewed-by: Joel Granados <joel.granados@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-03-03 22:11:48 -05:00

39 lines
800 B
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2003 Christoph Hellwig.
*/
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/sysctl.h>
#include "scsi_logging.h"
#include "scsi_priv.h"
static const struct ctl_table scsi_table[] = {
{ .procname = "logging_level",
.data = &scsi_logging_level,
.maxlen = sizeof(scsi_logging_level),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_INT_MAX },
};
static struct ctl_table_header *scsi_table_header;
int __init scsi_init_sysctl(void)
{
scsi_table_header = register_sysctl("dev/scsi", scsi_table);
if (!scsi_table_header)
return -ENOMEM;
return 0;
}
void scsi_exit_sysctl(void)
{
unregister_sysctl_table(scsi_table_header);
}