call-volume: Fix style issue

diff --git a/src/call-volume.c b/src/call-volume.c
index 1e12d81..06830b7 100644 (file)
--- a/src/call-volume.c
+++ b/src/call-volume.c
@@ -322,7 +322,7 @@ static void call_volume_remove(struct ofono_atom *atom)
        if (cv == NULL)
                return;
 
-       if (cv->driver && cv->driver->remove)
+       if (cv->driver != NULL && cv->driver->remove != NULL)
                cv->driver->remove(cv);
 
        g_free(cv);