PERFORCE change 93810 for review
Olivier Houchard
cognet at FreeBSD.org
Wed Mar 22 20:53:38 UTC 2006
http://perforce.freebsd.org/chv.cgi?CH=93810
Change 93810 by cognet at cognet on 2006/03/22 20:53:19
Change locking so that ate_setmcast() has to be called with the
ATE_LOCK. Doing the lock inside ate_setmcast would lead to lock
recursion, because ifinit_locked() calls it.
Affected files ...
.. //depot/projects/arm/src/sys/arm/at91/if_ate.c#46 edit
Differences ...
==== //depot/projects/arm/src/sys/arm/at91/if_ate.c#46 (text+ko) ====
@@ -300,10 +300,8 @@
* advantage of that. Locks here are to avoid LOR with the
* IF_ADDR_LOCK, but might not be strictly necessary.
*/
- ATE_LOCK(sc);
WR4(sc, ETH_HSL, mcaf[0]);
WR4(sc, ETH_HSH, mcaf[1]);
- ATE_UNLOCK(sc);
}
static int
@@ -902,7 +900,9 @@
case SIOCADDMULTI:
case SIOCDELMULTI:
/* update multicast filter list. */
+ ATE_LOCK(sc);
ate_setmcast(sc);
+ ATE_UNLOCK(sc);
error = 0;
break;
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