sbus-rtc: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/drivers/sbus/char/rtc.c b/drivers/sbus/char/rtc.c
index 18d18f1..b042991 100644
--- a/drivers/sbus/char/rtc.c
+++ b/drivers/sbus/char/rtc.c
@@ -12,6 +12,7 @@
*/
#include <linux/module.h>
+#include <linux/smp_lock.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/miscdevice.h>
@@ -213,6 +214,7 @@
{
int ret;
+ lock_kernel();
spin_lock_irq(&mostek_lock);
if (rtc_busy) {
ret = -EBUSY;
@@ -221,6 +223,7 @@
ret = 0;
}
spin_unlock_irq(&mostek_lock);
+ unlock_kernel();
return ret;
}