netdev - [PATCH net-next v2 6/6] fsl/fman: remove unused struct member

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Date:   Tue, 22 Oct 2019 14:15:01 +0300
From:   Madalin Bucur <madalin.bucur@....com>
To:     davem@...emloft.net, netdev@...r.kernel.org
Cc:     roy.pledge@....com, laurentiu.tudor@....com,
        Madalin Bucur <madalin.bucur@....com>
Subject: [PATCH net-next v2 6/6] fsl/fman: remove unused struct member

Remove unused struct member second_largest_buf_size. Also, an out of
bounds access would have occurred in the removed code if there was only
one buffer pool in use.

Signed-off-by: Madalin Bucur <madalin.bucur@....com>
---
 drivers/net/ethernet/freescale/fman/fman_port.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/ethernet/freescale/fman/fman_port.c b/drivers/net/ethernet/freescale/fman/fman_port.c
index bd76c9730692..87b26f063cc8 100644
--- a/drivers/net/ethernet/freescale/fman/fman_port.c
+++ b/drivers/net/ethernet/freescale/fman/fman_port.c
@@ -435,7 +435,6 @@ struct fman_port_cfg {
 
 struct fman_port_rx_pools_params {
 	u8 num_of_pools;
-	u16 second_largest_buf_size;
 	u16 largest_buf_size;
 };
 
@@ -946,8 +945,6 @@ static int set_ext_buffer_pools(struct fman_port *port)
 	port->rx_pools_params.num_of_pools = ext_buf_pools->num_of_pools_used;
 	port->rx_pools_params.largest_buf_size =
 	    sizes_array[ordered_array[ext_buf_pools->num_of_pools_used - 1]];
-	port->rx_pools_params.second_largest_buf_size =
-	    sizes_array[ordered_array[ext_buf_pools->num_of_pools_used - 2]];
 
 	/* FMBM_RMPD reg. - pool depletion */
 	if (buf_pool_depletion->pools_grp_mode_enable) {
-- 
2.1.0