Module Name: src
Committed By: ozaki-r
Date: Tue Oct 30 05:29:21 UTC 2018
Modified Files:
src/sys/net: if.c
Log Message:
Use atomic operations for ifa_refcnt
To generate a diff of this commit:
cvs rdiff -u -r1.438 -r1.439 src/sys/net/if.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/net/if.c
diff -u src/sys/net/if.c:1.438 src/sys/net/if.c:1.439
--- src/sys/net/if.c:1.438 Tue Oct 30 05:27:51 2018
+++ src/sys/net/if.c Tue Oct 30 05:29:21 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: if.c,v 1.438 2018/10/30 05:27:51 ozaki-r Exp $ */
+/* $NetBSD: if.c,v 1.439 2018/10/30 05:29:21 ozaki-r Exp $ */
/*-
* Copyright (c) 1999, 2000, 2001, 2008 The NetBSD Foundation, Inc.
@@ -90,7 +90,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.438 2018/10/30 05:27:51 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.439 2018/10/30 05:29:21 ozaki-r Exp $");
#if defined(_KERNEL_OPT)
#include "opt_inet.h"
@@ -1784,7 +1784,7 @@ void
ifaref(struct ifaddr *ifa)
{
- ifa->ifa_refcnt++;
+ atomic_inc_uint(&ifa->ifa_refcnt);
}
void
@@ -1793,7 +1793,7 @@ ifafree(struct ifaddr *ifa)
KASSERT(ifa != NULL);
KASSERT(ifa->ifa_refcnt > 0);
- if (--ifa->ifa_refcnt == 0) {
+ if (atomic_dec_uint_nv(&ifa->ifa_refcnt) == 0) {
free(ifa, M_IFADDR);
}
}
