diff options
| -rw-r--r-- | drivers/net/bonding/bond_sysfs.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index d28731535226..3a1b7b04eb79 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -251,7 +251,8 @@ static ssize_t bonding_store_slaves(struct device *d, /* Note: We can't hold bond->lock here, as bond_create grabs it. */ - rtnl_lock(); + if (!rtnl_trylock()) + return restart_syscall(); down_write(&(bonding_rwsem)); sscanf(buffer, "%16s", command); /* IFNAMSIZ*/ @@ -1171,7 +1172,8 @@ static ssize_t bonding_store_primary(struct device *d, struct slave *slave; struct bonding *bond = to_bond(d); - rtnl_lock(); + if (!rtnl_trylock()) + return restart_syscall(); read_lock(&bond->lock); write_lock_bh(&bond->curr_slave_lock); @@ -1288,7 +1290,8 @@ static ssize_t bonding_store_active_slave(struct device *d, struct slave *new_active = NULL; struct bonding *bond = to_bond(d); - rtnl_lock(); + if (!rtnl_trylock()) + return restart_syscall(); read_lock(&bond->lock); write_lock_bh(&bond->curr_slave_lock); |