Module Name: src
Committed By: jmcneill
Date: Sun Oct 19 22:31:33 UTC 2014
Modified Files:
src/sys/dev/ic: dwc_gmac.c
Log Message:
if we read an insane mac address from the chip, dont attach
To generate a diff of this commit:
cvs rdiff -u -r1.13 -r1.14 src/sys/dev/ic/dwc_gmac.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/ic/dwc_gmac.c
diff -u src/sys/dev/ic/dwc_gmac.c:1.13 src/sys/dev/ic/dwc_gmac.c:1.14
--- src/sys/dev/ic/dwc_gmac.c:1.13 Sun Oct 19 13:15:23 2014
+++ src/sys/dev/ic/dwc_gmac.c Sun Oct 19 22:31:33 2014
@@ -39,7 +39,7 @@
#include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: dwc_gmac.c,v 1.13 2014/10/19 13:15:23 jmcneill Exp $");
+__KERNEL_RCSID(1, "$NetBSD: dwc_gmac.c,v 1.14 2014/10/19 22:31:33 jmcneill Exp $");
/* #define DWC_GMAC_DEBUG 1 */
@@ -153,6 +153,13 @@ dwc_gmac_attach(struct dwc_gmac_softc *s
AWIN_GMAC_MAC_ADDR0LO);
machi = bus_space_read_4(sc->sc_bst, sc->sc_bsh,
AWIN_GMAC_MAC_ADDR0HI);
+
+ if (maclo == 0xffffffff && (machi & 0xffff) == 0xffff) {
+ aprint_error_dev(sc->sc_dev,
+ "couldn't read MAC address\n");
+ return;
+ }
+
enaddr[0] = maclo & 0x0ff;
enaddr[1] = (maclo >> 8) & 0x0ff;
enaddr[2] = (maclo >> 16) & 0x0ff;
