diff options
Diffstat (limited to 'drivers/watchdog/sbc_fitpc2_wdt.c')
| -rw-r--r-- | drivers/watchdog/sbc_fitpc2_wdt.c | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/watchdog/sbc_fitpc2_wdt.c b/drivers/watchdog/sbc_fitpc2_wdt.c index 90d5527ca886..ff9e44825423 100644 --- a/drivers/watchdog/sbc_fitpc2_wdt.c +++ b/drivers/watchdog/sbc_fitpc2_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Watchdog driver for SBC-FITPC2 board * @@ -5,9 +6,6 @@ * * Adapted from the IXP2000 watchdog driver by Deepak Saxena. * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #define pr_fmt(fmt) KBUILD_MODNAME " WATCHDOG: " fmt @@ -75,10 +73,10 @@ static int fitpc2_wdt_open(struct inode *inode, struct file *file) wdt_enable(); - return nonseekable_open(inode, file); + return stream_open(inode, file); } -static ssize_t fitpc2_wdt_write(struct file *file, const char *data, +static ssize_t fitpc2_wdt_write(struct file *file, const char __user *data, size_t len, loff_t *ppos) { size_t i; @@ -125,16 +123,16 @@ static long fitpc2_wdt_ioctl(struct file *file, unsigned int cmd, switch (cmd) { case WDIOC_GETSUPPORT: - ret = copy_to_user((struct watchdog_info *)arg, &ident, + ret = copy_to_user((struct watchdog_info __user *)arg, &ident, sizeof(ident)) ? -EFAULT : 0; break; case WDIOC_GETSTATUS: - ret = put_user(0, (int *)arg); + ret = put_user(0, (int __user *)arg); break; case WDIOC_GETBOOTSTATUS: - ret = put_user(0, (int *)arg); + ret = put_user(0, (int __user *)arg); break; case WDIOC_KEEPALIVE: @@ -143,7 +141,7 @@ static long fitpc2_wdt_ioctl(struct file *file, unsigned int cmd, break; case WDIOC_SETTIMEOUT: - ret = get_user(time, (int *)arg); + ret = get_user(time, (int __user *)arg); if (ret) break; @@ -154,10 +152,10 @@ static long fitpc2_wdt_ioctl(struct file *file, unsigned int cmd, margin = time; wdt_enable(); - /* Fall through */ + fallthrough; case WDIOC_GETTIMEOUT: - ret = put_user(margin, (int *)arg); + ret = put_user(margin, (int __user *)arg); break; } @@ -183,9 +181,9 @@ static int fitpc2_wdt_release(struct inode *inode, struct file *file) static const struct file_operations fitpc2_wdt_fops = { .owner = THIS_MODULE, - .llseek = no_llseek, .write = fitpc2_wdt_write, .unlocked_ioctl = fitpc2_wdt_ioctl, + .compat_ioctl = compat_ptr_ioctl, .open = fitpc2_wdt_open, .release = fitpc2_wdt_release, }; @@ -263,5 +261,3 @@ module_param(nowayout, bool, 0); MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started"); MODULE_LICENSE("GPL"); -MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); - |