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net: restore the original spinlock to protect unicast list
[pandora-kernel.git]
/
net
/
bridge
/
br_sysfs_if.c
diff --git
a/net/bridge/br_sysfs_if.c
b/net/bridge/br_sysfs_if.c
index
02b2d50
..
4a3cdf8
100644
(file)
--- a/
net/bridge/br_sysfs_if.c
+++ b/
net/bridge/br_sysfs_if.c
@@
-189,7
+189,8
@@
static ssize_t brport_store(struct kobject * kobj,
val = simple_strtoul(buf, &endp, 0);
if (endp != buf) {
- rtnl_lock();
+ if (!rtnl_trylock())
+ return restart_syscall();
if (p->dev && p->br && brport_attr->store) {
spin_lock_bh(&p->br->lock);
ret = brport_attr->store(p, val);