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| author | Eric Dumazet <edumazet@google.com> | 2020-03-09 18:22:58 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-20 09:07:41 +0100 |
| commit | 8621153cb6c8b712cfad03c0fbbbf408c1ebc6e0 (patch) | |
| tree | 11a09515f9624828f045c53e1cd83ec807cbc16f /drivers/net | |
| parent | 276a875f7124b24c735e67e40a52a4f64047a501 (diff) | |
ipvlan: do not use cond_resched_rcu() in ipvlan_process_multicast()
[ Upstream commit afe207d80a61e4d6e7cfa0611a4af46d0ba95628 ]
Commit e18b353f102e ("ipvlan: add cond_resched_rcu() while
processing muticast backlog") added a cond_resched_rcu() in a loop
using rcu protection to iterate over slaves.
This is breaking rcu rules, so lets instead use cond_resched()
at a point we can reschedule
Fixes: e18b353f102e ("ipvlan: add cond_resched_rcu() while processing muticast backlog")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ipvlan/ipvlan_core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c index 63b1cd0bdf0f..d5ebbf5381e9 100644 --- a/drivers/net/ipvlan/ipvlan_core.c +++ b/drivers/net/ipvlan/ipvlan_core.c @@ -240,7 +240,6 @@ void ipvlan_process_multicast(struct work_struct *work) ret = netif_rx(nskb); acct: ipvlan_count_rx(ipvlan, len, ret == NET_RX_SUCCESS, true); - cond_resched_rcu(); } rcu_read_unlock(); @@ -252,6 +251,7 @@ acct: } else { kfree_skb(skb); } + cond_resched(); } } |