riowatchdog: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/drivers/sbus/char/riowatchdog.c b/drivers/sbus/char/riowatchdog.c
index a2fc6b8..88c0fc6 100644
--- a/drivers/sbus/char/riowatchdog.c
+++ b/drivers/sbus/char/riowatchdog.c
@@ -11,6 +11,7 @@
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/miscdevice.h>
+#include <linux/smp_lock.h>
#include <asm/io.h>
#include <asm/ebus.h>
@@ -116,6 +117,7 @@
static int riowd_open(struct inode *inode, struct file *filp)
{
+ cycle_kernel_lock();
nonseekable_open(inode, filp);
return 0;
}