fbdev/fb_notify: fix blank_mode pointer crash

[firefly-linux-kernel-4.4.55.git] / drivers / input / sensors / hall / mh248.c

diff --git a/drivers/input/sensors/hall/mh248.c b/drivers/input/sensors/hall/mh248.c
index 23a02924497b98b978a238879d4cf89c960a3479..0fa8a89aee61792a05aaa20334b039c3bb32cbbf 100644 (file)
--- a/drivers/input/sensors/hall/mh248.c
+++ b/drivers/input/sensors/hall/mh248.c
@@ -51,13 +51,12 @@ static int hall_fb_notifier_callback(struct notifier_block *self,
 {
        struct mh248_para *mh248;
        struct fb_event *event = data;
-       int blank_mode = *((int *)event->data);
 
        mh248 = container_of(self, struct mh248_para, fb_notif);
 
        mutex_lock(&mh248->ops_lock);
        if (action == FB_EARLY_EVENT_BLANK) {
-               switch (blank_mode) {
+               switch (*((int *)event->data)) {
                case FB_BLANK_UNBLANK:
                        break;
                default:
@@ -65,7 +64,7 @@ static int hall_fb_notifier_callback(struct notifier_block *self,
                        break;
                }
        } else if (action == FB_EVENT_BLANK) {
-               switch (blank_mode) {
+               switch (*((int *)event->data)) {
                case FB_BLANK_UNBLANK:
                        mh248->is_suspend = 0;
                        break;