svn commit: r300901 - head/sys/net
Bjoern A. Zeeb
bz at FreeBSD.org
Sat May 28 08:32:16 UTC 2016
Author: bz
Date: Sat May 28 08:32:15 2016
New Revision: 300901
URL: https://svnweb.freebsd.org/changeset/base/300901
Log:
In if_attachdomain1() there does not seem to be any reason
to use TRYLOCK rather than just acquire the lock, so just do that.
Reviewed by: markj
Obtained from: projects/vnet
MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D6578
Modified:
head/sys/net/if.c
Modified: head/sys/net/if.c
==============================================================================
--- head/sys/net/if.c Sat May 28 06:24:48 2016 (r300900)
+++ head/sys/net/if.c Sat May 28 08:32:15 2016 (r300901)
@@ -821,8 +821,7 @@ if_attachdomain1(struct ifnet *ifp)
* Since dp->dom_ifattach calls malloc() with M_WAITOK, we
* cannot lock ifp->if_afdata initialization, entirely.
*/
- if (IF_AFDATA_TRYLOCK(ifp) == 0)
- return;
+ IF_AFDATA_LOCK(ifp);
if (ifp->if_afdata_initialized >= domain_init_status) {
IF_AFDATA_UNLOCK(ifp);
log(LOG_WARNING, "%s called more than once on %s\n",
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