On 11/02/2013 09:13, Stephen Rothwell wrote:
> Hi Andrew,
>
> After merging the akpm tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
>
> drivers/net/ethernet/mellanox/mlx4/en_rx.c: In function
> 'mlx4_en_process_rx_cq':
> drivers/net/ethernet/mellanox/mlx4/en_rx.c:628:53: error: macro
> "hlist_for_each_entry_rcu" passed 4 arguments, but takes just 3
> drivers/net/ethernet/mellanox/mlx4/en_rx.c:628:5: error:
> 'hlist_for_each_entry_rcu' undeclared (first use in this function)
> drivers/net/ethernet/mellanox/mlx4/en_rx.c:628:55: error: expected ';' before
> '{' token
>
> Caused by commit c07cb4b0ab78 ("net/mlx4_en: Manage hash of MAC addresses
> per port") from the net-next tree interacting with commit "hlist: drop
> the node parameter from iterators" from the akpm tree.
>
> I applied the following merge fix patch for today:
>
> From 7a10f5e7e8d1232d618307d568ea9a78dc4680bb Mon Sep 17 00:00:00 2001
> From: Stephen Rothwell <s...@canb.auug.org.au>
> Date: Mon, 11 Feb 2013 18:01:23 +1100
> Subject: [PATCH] net/mlx4_en: fix up for hlist_for_each_entry_rcu API change
>
> Signed-off-by: Stephen Rothwell <s...@canb.auug.org.au>
> ---
> drivers/net/ethernet/mellanox/mlx4/en_rx.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
> b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
> index ce38654..19a9c05 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
> +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
> @@ -617,7 +617,6 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct
> mlx4_en_cq *cq, int bud
>
> if (is_multicast_ether_addr(ethh->h_dest)) {
> struct mlx4_mac_entry *entry;
> - struct hlist_node *n;
> struct hlist_head *bucket;
> unsigned int mac_hash;
>
> @@ -625,7 +624,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct
> mlx4_en_cq *cq, int bud
> mac_hash = ethh->h_source[MLX4_EN_MAC_HASH_IDX];
> bucket = &priv->mac_hash[mac_hash];
> rcu_read_lock();
> - hlist_for_each_entry_rcu(entry, n, bucket,
> hlist) {
> + hlist_for_each_entry_rcu(entry, bucket, hlist) {
> if (ether_addr_equal_64bits(entry->mac,
>
> ethh->h_source)) {
> rcu_read_unlock();
>
Acked-By: Amir Vadai <am...@mellanox.com>
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