drivers: autoconvert trivial BKL users to private mutex

[sfrench/cifs-2.6.git] / drivers / hwmon / fschmd.c

diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c
index b7ca2a9676cf8b62aab21fa7a04d205457828c6e..d4d4ca65d3716f61c21008ff1d390e54aa256e86 100644 (file)
--- a/drivers/hwmon/fschmd.c
+++ b/drivers/hwmon/fschmd.c
@@ -38,7 +38,6 @@
 #include <linux/i2c.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
-#include <linux/smp_lock.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
 #include <linux/sysfs.h>
@@ -50,6 +49,7 @@
 #include <linux/kref.h>
 
 /* Addresses to scan */
+static DEFINE_MUTEX(watchdog_mutex);
 static const unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END };
 
 /* Insmod parameters */
@@ -858,7 +858,7 @@ static long watchdog_ioctl(struct file *filp, unsigned int cmd, unsigned long ar
        int i, ret = 0;
        struct fschmd_data *data = filp->private_data;
 
-       lock_kernel();
+       mutex_lock(&watchdog_mutex);
        switch (cmd) {
        case WDIOC_GETSUPPORT:
                ident.firmware_version = data->revision;
@@ -915,7 +915,7 @@ static long watchdog_ioctl(struct file *filp, unsigned int cmd, unsigned long ar
        default:
                ret = -ENOTTY;
        }
-       unlock_kernel();
+       mutex_unlock(&watchdog_mutex);
        return ret;
 }