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| author | Rob Herring <robh@kernel.org> | 2015-03-10 09:03:04 -0500 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2015-03-10 09:03:04 -0500 |
| commit | 2c192699a7050ef5bdf1e2cc95fdddfbcf524509 (patch) | |
| tree | 945d4553691ecb24151a2fa83b7d489665dd3248 /net/ipv6/addrconf.c | |
| parent | 25e8f336e535d10c30216e1ba330fbea98dfccc5 (diff) | |
| parent | 9eccca0843205f87c00404b663188b88eb248051 (diff) | |
Merge tag 'v4.0-rc3' into HEAD
Linux 4.0-rc3
Merging in v4.0-rc3 because commit 30a22c215a00 (console: Fix
console name size mismatch) is a dependency.
Diffstat (limited to 'net/ipv6/addrconf.c')
| -rw-r--r-- | net/ipv6/addrconf.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 98e4a63d72bb..b6030025f411 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -4903,6 +4903,21 @@ int addrconf_sysctl_forward(struct ctl_table *ctl, int write, return ret; } +static +int addrconf_sysctl_mtu(struct ctl_table *ctl, int write, + void __user *buffer, size_t *lenp, loff_t *ppos) +{ + struct inet6_dev *idev = ctl->extra1; + int min_mtu = IPV6_MIN_MTU; + struct ctl_table lctl; + + lctl = *ctl; + lctl.extra1 = &min_mtu; + lctl.extra2 = idev ? &idev->dev->mtu : NULL; + + return proc_dointvec_minmax(&lctl, write, buffer, lenp, ppos); +} + static void dev_disable_change(struct inet6_dev *idev) { struct netdev_notifier_info info; @@ -5054,7 +5069,7 @@ static struct addrconf_sysctl_table .data = &ipv6_devconf.mtu6, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .proc_handler = addrconf_sysctl_mtu, }, { .procname = "accept_ra", |