diff options
Diffstat (limited to 'drivers/char/ipmi/ipmi_watchdog.c')
| -rw-r--r-- | drivers/char/ipmi/ipmi_watchdog.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c index 654d566ca57c..f4d334f2536e 100644 --- a/drivers/char/ipmi/ipmi_watchdog.c +++ b/drivers/char/ipmi/ipmi_watchdog.c @@ -35,7 +35,7 @@ #include <linux/moduleparam.h> #include <linux/ipmi.h> #include <linux/ipmi_smi.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/watchdog.h> #include <linux/miscdevice.h> #include <linux/init.h> @@ -149,6 +149,7 @@ #define WDIOC_GET_PRETIMEOUT _IOW(WATCHDOG_IOCTL_BASE, 22, int) #endif +static DEFINE_MUTEX(ipmi_watchdog_mutex); static int nowayout = WATCHDOG_NOWAYOUT; static ipmi_user_t watchdog_user; @@ -748,9 +749,9 @@ static long ipmi_unlocked_ioctl(struct file *file, { int ret; - lock_kernel(); + mutex_lock(&ipmi_watchdog_mutex); ret = ipmi_ioctl(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&ipmi_watchdog_mutex); return ret; } @@ -844,7 +845,6 @@ static int ipmi_open(struct inode *ino, struct file *filep) if (test_and_set_bit(0, &ipmi_wdog_open)) return -EBUSY; - cycle_kernel_lock(); /* * Don't start the timer now, let it start on the @@ -909,6 +909,7 @@ static const struct file_operations ipmi_wdog_fops = { .open = ipmi_open, .release = ipmi_close, .fasync = ipmi_fasync, + .llseek = no_llseek, }; static struct miscdevice ipmi_wdog_miscdev = { |