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author | Maor Gottlieb <maorg@mellanox.com> | 2020-04-30 21:21:33 +0200 |
---|---|---|
committer | Saeed Mahameed <saeedm@mellanox.com> | 2020-05-01 21:15:37 +0200 |
commit | ed7d4f023b1a9b0578f20d66557c66452ab845ec (patch) | |
tree | 5d4b2e414860973f022b045a609608a146219e96 /drivers/net/bonding/bond_main.c | |
parent | bonding: Export skip slave logic to function (diff) | |
download | linux-ed7d4f023b1a9b0578f20d66557c66452ab845ec.tar.xz linux-ed7d4f023b1a9b0578f20d66557c66452ab845ec.zip |
bonding: Rename slave_arr to usable_slaves
Rename slave_arr to usable_slaves, since we will have two arrays,
one for the usable slaves and the other to all slaves.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/bonding/bond_main.c')
-rw-r--r-- | drivers/net/bonding/bond_main.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index f7aded014f08..2cb41d480ae2 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4120,9 +4120,9 @@ static void bond_skip_slave(struct bond_up_slave *slaves, */ int bond_update_slave_arr(struct bonding *bond, struct slave *skipslave) { + struct bond_up_slave *usable_slaves, *old_usable_slaves; struct slave *slave; struct list_head *iter; - struct bond_up_slave *new_arr, *old_arr; int agg_id = 0; int ret = 0; @@ -4130,11 +4130,10 @@ int bond_update_slave_arr(struct bonding *bond, struct slave *skipslave) WARN_ON(lockdep_is_held(&bond->mode_lock)); #endif - new_arr = kzalloc(offsetof(struct bond_up_slave, arr[bond->slave_cnt]), - GFP_KERNEL); - if (!new_arr) { + usable_slaves = kzalloc(struct_size(usable_slaves, arr, + bond->slave_cnt), GFP_KERNEL); + if (!usable_slaves) { ret = -ENOMEM; - pr_err("Failed to build slave-array.\n"); goto out; } if (BOND_MODE(bond) == BOND_MODE_8023AD) { @@ -4142,14 +4141,14 @@ int bond_update_slave_arr(struct bonding *bond, struct slave *skipslave) if (bond_3ad_get_active_agg_info(bond, &ad_info)) { pr_debug("bond_3ad_get_active_agg_info failed\n"); - kfree_rcu(new_arr, rcu); + kfree_rcu(usable_slaves, rcu); /* No active aggragator means it's not safe to use * the previous array. */ - old_arr = rtnl_dereference(bond->slave_arr); - if (old_arr) { - RCU_INIT_POINTER(bond->slave_arr, NULL); - kfree_rcu(old_arr, rcu); + old_usable_slaves = rtnl_dereference(bond->usable_slaves); + if (old_usable_slaves) { + RCU_INIT_POINTER(bond->usable_slaves, NULL); + kfree_rcu(old_usable_slaves, rcu); } goto out; } @@ -4169,18 +4168,19 @@ int bond_update_slave_arr(struct bonding *bond, struct slave *skipslave) continue; slave_dbg(bond->dev, slave->dev, "Adding slave to tx hash array[%d]\n", - new_arr->count); + usable_slaves->count); - new_arr->arr[new_arr->count++] = slave; + usable_slaves->arr[usable_slaves->count++] = slave; } - old_arr = rtnl_dereference(bond->slave_arr); - rcu_assign_pointer(bond->slave_arr, new_arr); - if (old_arr) - kfree_rcu(old_arr, rcu); + old_usable_slaves = rtnl_dereference(bond->usable_slaves); + rcu_assign_pointer(bond->usable_slaves, usable_slaves); + if (old_usable_slaves) + kfree_rcu(old_usable_slaves, rcu); out: if (ret != 0 && skipslave) - bond_skip_slave(rtnl_dereference(bond->slave_arr), skipslave); + bond_skip_slave(rtnl_dereference(bond->usable_slaves), + skipslave); return ret; } @@ -4197,7 +4197,7 @@ static netdev_tx_t bond_3ad_xor_xmit(struct sk_buff *skb, struct bond_up_slave *slaves; unsigned int count; - slaves = rcu_dereference(bond->slave_arr); + slaves = rcu_dereference(bond->usable_slaves); count = slaves ? READ_ONCE(slaves->count) : 0; if (likely(count)) { slave = slaves->arr[bond_xmit_hash(bond, skb) % count]; @@ -4488,9 +4488,9 @@ static void bond_uninit(struct net_device *bond_dev) __bond_release_one(bond_dev, slave->dev, true, true); netdev_info(bond_dev, "Released all slaves\n"); - arr = rtnl_dereference(bond->slave_arr); + arr = rtnl_dereference(bond->usable_slaves); if (arr) { - RCU_INIT_POINTER(bond->slave_arr, NULL); + RCU_INIT_POINTER(bond->usable_slaves, NULL); kfree_rcu(arr, rcu); } |