serio: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c
index 0403622..c9397c8 100644
--- a/drivers/input/serio/serio_raw.c
+++ b/drivers/input/serio/serio_raw.c
@@ -10,6 +10,7 @@
*/
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/poll.h>
#include <linux/module.h>
#include <linux/serio.h>
@@ -81,9 +82,10 @@
struct serio_raw_list *list;
int retval = 0;
+ lock_kernel();
retval = mutex_lock_interruptible(&serio_raw_mutex);
if (retval)
- return retval;
+ goto out_bkl;
if (!(serio_raw = serio_raw_locate(iminor(inode)))) {
retval = -ENODEV;
@@ -108,6 +110,8 @@
out:
mutex_unlock(&serio_raw_mutex);
+out_bkl:
+ unlock_kernel();
return retval;
}