memory leak in amdisplay_attach()

[Jonathan Gray]

Index: amdisplay.c
===================================================================
RCS file: /cvs/src/sys/arch/armv7/omap/amdisplay.c,v
retrieving revision 1.7
diff -u -p -r1.7 amdisplay.c
--- amdisplay.c 25 Oct 2017 14:34:22 -0000      1.7
+++ amdisplay.c 18 Sep 2018 05:12:41 -0000
@@ -272,6 +272,7 @@ amdisplay_attach(struct device *parent, 
 
        if (rasops_init(&sc->sc_ro, 200, 200)) {
                printf("%s: no rasops\n", DEVNAME(sc));
+               free(edid_buf, M_DEVBUF, EDID_LENGTH);
                amdisplay_detach(self, 0);
                return;
        }