summaryrefslogtreecommitdiffstats
path: root/net/ipv6/addrconf.c
diff options
context:
space:
mode:
authorTony Lindgren <tony@atomide.com>2010-03-01 14:19:05 -0800
committerTony Lindgren <tony@atomide.com>2010-03-01 14:19:05 -0800
commitd702d12167a2c05a346f49aac7a311d597762495 (patch)
treebaae42c299cce34d6df24b5d01f8b1d0b481bd9a /net/ipv6/addrconf.c
parent9418c65f9bd861d0f7e39aab9cfb3aa6f2275d11 (diff)
parentac0f6f927db539e03e1f3f61bcd4ed57d5cde7a9 (diff)
downloadblackbird-op-linux-d702d12167a2c05a346f49aac7a311d597762495.tar.gz
blackbird-op-linux-d702d12167a2c05a346f49aac7a311d597762495.zip
Merge with mainline to remove plat-omap/Kconfig conflict
Conflicts: arch/arm/plat-omap/Kconfig
Diffstat (limited to 'net/ipv6/addrconf.c')
-rw-r--r--net/ipv6/addrconf.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index de7a194a64ab..143791da062c 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -502,8 +502,11 @@ static int addrconf_fixup_forwarding(struct ctl_table *table, int *p, int old)
if (p == &net->ipv6.devconf_dflt->forwarding)
return 0;
- if (!rtnl_trylock())
+ if (!rtnl_trylock()) {
+ /* Restore the original values before restarting */
+ *p = old;
return restart_syscall();
+ }
if (p == &net->ipv6.devconf_all->forwarding) {
__s32 newf = net->ipv6.devconf_all->forwarding;
@@ -4028,12 +4031,15 @@ int addrconf_sysctl_forward(ctl_table *ctl, int write,
{
int *valp = ctl->data;
int val = *valp;
+ loff_t pos = *ppos;
int ret;
ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
if (write)
ret = addrconf_fixup_forwarding(ctl, valp, val);
+ if (ret)
+ *ppos = pos;
return ret;
}
@@ -4075,8 +4081,11 @@ static int addrconf_disable_ipv6(struct ctl_table *table, int *p, int old)
if (p == &net->ipv6.devconf_dflt->disable_ipv6)
return 0;
- if (!rtnl_trylock())
+ if (!rtnl_trylock()) {
+ /* Restore the original values before restarting */
+ *p = old;
return restart_syscall();
+ }
if (p == &net->ipv6.devconf_all->disable_ipv6) {
__s32 newf = net->ipv6.devconf_all->disable_ipv6;
@@ -4095,12 +4104,15 @@ int addrconf_sysctl_disable(ctl_table *ctl, int write,
{
int *valp = ctl->data;
int val = *valp;
+ loff_t pos = *ppos;
int ret;
ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
if (write)
ret = addrconf_disable_ipv6(ctl, valp, val);
+ if (ret)
+ *ppos = pos;
return ret;
}
OpenPOWER on IntegriCloud