svn commit: r201781 - head/sys/dev/jme
Gavin Atkinson
gavin at FreeBSD.org
Fri Jan 8 10:32:28 UTC 2010
Author: gavin
Date: Fri Jan 8 10:32:27 2010
New Revision: 201781
URL: http://svn.freebsd.org/changeset/base/201781
Log:
If we fail to read the Ethernet address from the card, just print an
warning message and attach without setting the Ethernet address to a
random address. It is not believed that this code can actually be
executed, and if it does, we're better off printing an error message than
faking up an Ethernet address.
PR: kern/133239
Reviewed by: yongari (earlier version of patch)
Approved by: ed (mentor)
Modified:
head/sys/dev/jme/if_jme.c
Modified: head/sys/dev/jme/if_jme.c
==============================================================================
--- head/sys/dev/jme/if_jme.c Fri Jan 8 10:15:11 2010 (r201780)
+++ head/sys/dev/jme/if_jme.c Fri Jan 8 10:32:27 2010 (r201781)
@@ -462,15 +462,7 @@ jme_reg_macaddr(struct jme_softc *sc)
if ((par0 == 0 && par1 == 0) ||
(par0 == 0xFFFFFFFF && par1 == 0xFFFF)) {
device_printf(sc->jme_dev,
- "generating fake ethernet address.\n");
- par0 = arc4random();
- /* Set OUI to JMicron. */
- sc->jme_eaddr[0] = 0x02; /* U/L bit set. */
- sc->jme_eaddr[1] = 0x1B;
- sc->jme_eaddr[2] = 0x8C;
- sc->jme_eaddr[3] = (par0 >> 16) & 0xff;
- sc->jme_eaddr[4] = (par0 >> 8) & 0xff;
- sc->jme_eaddr[5] = par0 & 0xff;
+ "Failed to retrieve Ethernet address.\n");
} else {
sc->jme_eaddr[0] = (par0 >> 0) & 0xFF;
sc->jme_eaddr[1] = (par0 >> 8) & 0xFF;
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