bonding: remove dev_base_lock use

bond_info_seq_start() uses a read_lock(&dev_base_lock) to make sure
device doesn’t disappear. Same goal can be achieved using RCU.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index bdb68a600382..518844852f06 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3209,7 +3209,7 @@ out:
 #ifdef CONFIG_PROC_FS
 
 static void *bond_info_seq_start(struct seq_file *seq, loff_t *pos)
-        __acquires(&dev_base_lock)
+        __acquires(RCU)
         __acquires(&bond->lock)
 {
         struct bonding *bond = seq->private;
@@ -3218,7 +3218,7 @@ static void *bond_info_seq_start(struct seq_file *seq, loff_t *pos)
         int i;
 
         /* make sure the bond won't be taken away */
-        read_lock(&dev_base_lock);
+        rcu_read_lock();
         read_lock(&bond->lock);
 
         if (*pos == 0)
@@ -3248,12 +3248,12 @@ static void *bond_info_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 
 static void bond_info_seq_stop(struct seq_file *seq, void *v)
         __releases(&bond->lock)
-        __releases(&dev_base_lock)
+        __releases(RCU)
 {
         struct bonding *bond = seq->private;
 
         read_unlock(&bond->lock);
-        read_unlock(&dev_base_lock);
+        rcu_read_unlock();
 }
 
 static void bond_info_show_master(struct seq_file *seq)