[media] drivers/media/video/davinci/vpbe_display.c: eliminate a null pointer dereference
In the original code, probe_out could be reached when res was null and then
when the irq had not yet been requested. In those cases, the call to
free_irq is not needed, so move probe_out down and introduce a new label
for the case where calling free_irq is useful.
The semantic match that finds this problem is as follows: