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authorEric W. Biederman <ebiederm@xmission.com>2007-10-18 03:05:25 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-18 14:37:22 -0700
commitd12af679bcf8995a237560bdf7a4d734f8df5dbb (patch)
tree9cb821d20fa8be39ff4954d7e8f5966ef9d3b7dd /net/ipv6/ndisc.c
parentf5ead5cefc1129d5f001728004ed0f38d5875c02 (diff)
sysctl: fix neighbour table sysctls.
- In ipv6 ndisc_ifinfo_syctl_change so it doesn't depend on binary sysctl names for a function that works with proc. - In neighbour.c reorder the table to put the possibly unused entries at the end so we can remove them by terminating the table early. - In neighbour.c kill the entries with questionable binary sysctl handling behavior. - In neighbour.c if we don't have a strategy routine remove the binary path. So we don't the default sysctl strategy routine on data that is not ready for it. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Cc: Alexey Dobriyan <adobriyan@sw.ru> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/ipv6/ndisc.c')
-rw-r--r--net/ipv6/ndisc.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 6cc33dc83d1..20cfc90d559 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1658,30 +1658,26 @@ int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, struct file * f
struct inet6_dev *idev;
int ret;
- if (ctl->ctl_name == NET_NEIGH_RETRANS_TIME ||
- ctl->ctl_name == NET_NEIGH_REACHABLE_TIME)
+ if ((strcmp(ctl->procname, "retrans_time") == 0) ||
+ (strcmp(ctl->procname, "base_reachable_time") == 0))
ndisc_warn_deprecated_sysctl(ctl, "syscall", dev ? dev->name : "default");
- switch (ctl->ctl_name) {
- case NET_NEIGH_RETRANS_TIME:
+ if (strcmp(ctl->procname, "retrans_time") == 0)
ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos);
- break;
- case NET_NEIGH_REACHABLE_TIME:
+
+ else if (strcmp(ctl->procname, "base_reachable_time") == 0)
ret = proc_dointvec_jiffies(ctl, write,
filp, buffer, lenp, ppos);
- break;
- case NET_NEIGH_RETRANS_TIME_MS:
- case NET_NEIGH_REACHABLE_TIME_MS:
+
+ else if ((strcmp(ctl->procname, "retrans_time_ms") == 0) ||
+ (strcmp(ctl->procname, "base_reacable_time_ms") == 0))
ret = proc_dointvec_ms_jiffies(ctl, write,
filp, buffer, lenp, ppos);
- break;
- default:
+ else
ret = -1;
- }
if (write && ret == 0 && dev && (idev = in6_dev_get(dev)) != NULL) {
- if (ctl->ctl_name == NET_NEIGH_REACHABLE_TIME ||
- ctl->ctl_name == NET_NEIGH_REACHABLE_TIME_MS)
+ if (ctl->data == &idev->nd_parms->base_reachable_time)
idev->nd_parms->reachable_time = neigh_rand_reach_time(idev->nd_parms->base_reachable_time);
idev->tstamp = jiffies;
inet6_ifinfo_notify(RTM_NEWLINK, idev);