diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-19 19:34:56 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-19 19:34:56 -0800 |
| commit | 8386cda3f9faadcdcf0205ab6b84b03ce4ee1f6f (patch) | |
| tree | 8f7be8e77f9915bc0a276f1263674ad8448415ee /net/ipv6 | |
| parent | 83bdd240eeb388a611b2bdbed9afdb3192966cec (diff) | |
| parent | 242cc0547f3bcecc0b02ca6f3e9512760185727e (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
sfc: SFE4002/SFN4112F: Widen temperature and voltage tolerances
sfc: Fix sign of efx_mcdi_poll_reboot() error in efx_mcdi_poll()
net-sysfs: Use rtnl_trylock in wireless sysfs methods.
net: Fix sysctl restarts...
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/addrconf.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index de7a194a64a..143791da062 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; } |