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-rw-r--r--net/bridge/br_sysfs_br.c3
-rw-r--r--net/bridge/br_sysfs_if.c3
2 files changed, 4 insertions, 2 deletions
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index 603d892..ee4820a 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -172,7 +172,8 @@ static ssize_t store_stp_state(struct device *d,
if (endp == buf)
return -EINVAL;
- rtnl_lock();
+ if (!rtnl_trylock())
+ return restart_syscall();
br_stp_set_enabled(br, val);
rtnl_unlock();
diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
index 02b2d50..4a3cdf8 100644
--- 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);
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