port-evbmips/41413: aumac must clear the error, if error == ENETRESET

[kiyohara%kk.iij4u.or.jp@localhost]

>Number:         41413
>Category:       port-evbmips
>Synopsis:       aumac must clear the error, if error == ENETRESET
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-evbmips-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue May 12 12:40:00 +0000 2009
>Originator:     KIYOHARA Takashi
>Release:        current (5.99.11)
>Organization:
>Environment:
>Description:
aumac must clear the error, if error == ENETRESET.
Or you look at message 'cannot assign link-local address' when 'up' for 
interface of aumac.

>How-To-Repeat:
# ifconfig aumac0 up
aumac0: cannot assign link-local address

>Fix:
Index: if_aumac.c
===================================================================
RCS file: /cvsroot/src/sys/arch/mips/alchemy/dev/if_aumac.c,v
retrieving revision 1.25
diff -u -r1.25 if_aumac.c
--- if_aumac.c  20 Jan 2008 14:18:05 -0000      1.25
+++ if_aumac.c  12 May 2009 12:24:14 -0000
@@ -512,6 +512,7 @@
                 */
                if (ifp->if_flags & IFF_RUNNING)
                        aumac_set_filter(sc);
+               error = 0;
        }
 
        /* Try to get more packets going. */