ipmi-watchdog: BKL pushdown

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index 1b9a870..357d99b 100644 (file)
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -35,6 +35,7 @@
 #include <linux/moduleparam.h>
 #include <linux/ipmi.h>
 #include <linux/ipmi_smi.h>
+#include <linux/smp_lock.h>
 #include <linux/watchdog.h>
 #include <linux/miscdevice.h>
 #include <linux/init.h>
@@ -819,6 +820,8 @@ 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
                 * first heartbeat.