va.c: need to check the symbol before calling it

This is to fix Klockwork critical issue

Signed-off-by: Austin Yuan <shengquan.yuan@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/va/va.c b/va/va.c
index 6e8fada..66e0549 100644
--- a/va/va.c
+++ b/va/va.c
@@ -282,7 +282,7 @@ static VAStatus va_openDriver(VADisplay dpy, char *driver_name)
                 }
                 ctx->vtable_vpp = vtable_vpp;
 
-                if (VA_STATUS_SUCCESS == vaStatus)
+                if (init_func && VA_STATUS_SUCCESS == vaStatus)
                     vaStatus = (*init_func)(ctx);
 
                 if (VA_STATUS_SUCCESS == vaStatus) {