HID: cdev lock_kernel() pushdown
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index 1ca6f46..2fde6c6 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -30,6 +30,7 @@
#include <linux/major.h>
#include <linux/hid.h>
#include <linux/mutex.h>
+#include <linux/smp_lock.h>
#include <linux/hidraw.h>
@@ -157,6 +158,7 @@
struct hidraw_list *list;
int err = 0;
+ lock_kernel();
if (!(list = kzalloc(sizeof(struct hidraw_list), GFP_KERNEL))) {
err = -ENOMEM;
goto out;
@@ -183,6 +185,7 @@
out_unlock:
spin_unlock(&minors_lock);
out:
+ unlock_kernel();
return err;
}