capture: Fix NULL pointer dereference

Change-Id: I23c6bd77d9122d67d6ba8c1a71b0815f7c28255e

diff --git a/src/libhal-backend-tdm-sprd/tdm_sprd_capture.c b/src/libhal-backend-tdm-sprd/tdm_sprd_capture.c
index d5ac1a8..4ad191b 100644 (file)
--- a/src/libhal-backend-tdm-sprd/tdm_sprd_capture.c
+++ b/src/libhal-backend-tdm-sprd/tdm_sprd_capture.c
@@ -1207,8 +1207,12 @@ tdm_sprd_capture_timer_cb(tdm_sprd_display *display_data)
        if (expired < 0)
                TDM_BACKEND_ERR("read fail");
 
+       if (!g_capture_data)
+               return;
+
        g_capture_data->timer_running = 0;
-       if (g_capture_data == NULL || g_capture_data->stream_data == NULL)
+
+       if(!g_capture_data->stream_data)
                return;
 
        capture_data = g_capture_data->stream_data;