summaryrefslogtreecommitdiffstats
path: root/net/bridge/br_ioctl.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2008-09-16 14:11:43 -0700
committerDavid S. Miller <davem@davemloft.net>2008-09-16 14:11:43 -0700
commit2e57572a50a4de41c6cbc879a4866a312d4cd316 (patch)
treec4f58ec96c06642c4b415b881d3f0a3b673d5b44 /net/bridge/br_ioctl.c
parent9b2e43ae4e9609f80034dfe8de895045cac52d77 (diff)
parentf948cc6ab9e61a8e88d70ee9aafc690e6d26f92c (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
Conflicts: arch/sparc64/kernel/pci_psycho.c
Diffstat (limited to 'net/bridge/br_ioctl.c')
-rw-r--r--net/bridge/br_ioctl.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/bridge/br_ioctl.c b/net/bridge/br_ioctl.c
index eeee218eed8..5bbf0736217 100644
--- a/net/bridge/br_ioctl.c
+++ b/net/bridge/br_ioctl.c
@@ -188,15 +188,21 @@ static int old_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return 0;
case BRCTL_SET_BRIDGE_HELLO_TIME:
+ {
+ unsigned long t = clock_t_to_jiffies(args[1]);
if (!capable(CAP_NET_ADMIN))
return -EPERM;
+ if (t < HZ)
+ return -EINVAL;
+
spin_lock_bh(&br->lock);
- br->bridge_hello_time = clock_t_to_jiffies(args[1]);
+ br->bridge_hello_time = t;
if (br_is_root_bridge(br))
br->hello_time = br->bridge_hello_time;
spin_unlock_bh(&br->lock);
return 0;
+ }
case BRCTL_SET_BRIDGE_MAX_AGE:
if (!capable(CAP_NET_ADMIN))