Fix segfault when referencing undefined function

Change-Id: I1c076acaa49255ae2f884f4471480785b35e867b
Signed-off-by: Youngjae Cho <y0.cho@samsung.com>

diff --git a/src/touchscreen/touchscreen.c b/src/touchscreen/touchscreen.c
index b450d60..b564144 100644 (file)
--- a/src/touchscreen/touchscreen.c
+++ b/src/touchscreen/touchscreen.c
@@ -67,10 +67,8 @@ static int touchscreen_powersaving(enum ps_mode mode)
        bool state;
        int ret;
 
-       if (!powersaving_support) {
-               _E("Touchscreen powersaving not supported.");
+       if (!powersaving_support)
                return -ENOTSUP;
-       }
 
        if (touchscreen_enable != DEVICE_OPS_STATUS_START)
                return 0;
@@ -82,7 +80,8 @@ static int touchscreen_powersaving(enum ps_mode mode)
        else
                return -EINVAL;
 
-       ret = touchscreen_dev->set_powersaving(state);
+       if (touchscreen_dev && touchscreen_dev->set_powersaving)
+               ret = touchscreen_dev->set_powersaving(state);
        if (ret < 0) {
                _E("Failed to set touch powersaving node.");
                return -EIO;