netdev - Re: [PATCH v3 net-next 11/11] sfc_ef100: add nic-type for VFs, and bind to them

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Date:   Mon, 03 Aug 2020 18:30:45 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     lkp@...el.com
Cc:     ecree@...arflare.com, linux-net-drivers@...arflare.com,
        kbuild-all@...ts.01.org, netdev@...r.kernel.org
Subject: Re: [PATCH v3 net-next 11/11] sfc_ef100: add nic-type for VFs, and
 bind to them

From: kernel test robot <lkp@...el.com>
Date: Tue, 4 Aug 2020 09:16:30 +0800

>    drivers/net/ethernet/sfc/ef100_nic.c:835:3: error: 'const struct efx_nic_type' has no member named 'filter_rfs_expire_one'
>      835 |  .filter_rfs_expire_one = efx_mcdi_filter_rfs_expire_one,
>          |   ^~~~~~~~~~~~~~~~~~~~~
>>> drivers/net/ethernet/sfc/ef100_nic.c:835:27: error: initialization of 'void (*)(struct efx_nic *, u32)' {aka 'void (*)(struct efx_nic *, unsigned int)'} from incompatible pointer type 'bool (*)(struct efx_nic *, u32,  unsigned int)' {aka '_Bool (*)(struct efx_nic *, unsigned int,  unsigned int)'} [-Werror=incompatible-pointer-types]
>      835 |  .filter_rfs_expire_one = efx_mcdi_filter_rfs_expire_one,
>          |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

I fixed this in my tree as follows:

====================
>From da7955405fb25c11a541234b32d06d9c09f81be6 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@...emloft.net>
Date: Mon, 3 Aug 2020 18:29:39 -0700
Subject: [PATCH] sfc: Fix build with CONFIG_RFS_ACCEL disabled.

   drivers/net/ethernet/sfc/ef100_nic.c:835:3: error: 'const struct efx_nic_type' has no member named 'filter_rfs_expire_one'
     835 |  .filter_rfs_expire_one = efx_mcdi_filter_rfs_expire_one,
         |   ^~~~~~~~~~~~~~~~~~~~~
>> drivers/net/ethernet/sfc/ef100_nic.c:835:27: error: initialization of 'void (*)(struct efx_nic *, u32)' {aka 'void (*)(struct efx_nic *, unsigned int)'} from incompatible pointer type 'bool (*)(struct efx_nic *, u32,  unsigned int)' {aka '_Bool (*)(struct efx_nic *, unsigned int,  unsigned int)'} [-Werror=incompatible-pointer-types]
     835 |  .filter_rfs_expire_one = efx_mcdi_filter_rfs_expire_one,
         |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
---
 drivers/net/ethernet/sfc/ef100_nic.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/sfc/ef100_nic.c b/drivers/net/ethernet/sfc/ef100_nic.c
index 8a2126fec078..36598d0542ed 100644
--- a/drivers/net/ethernet/sfc/ef100_nic.c
+++ b/drivers/net/ethernet/sfc/ef100_nic.c
@@ -832,7 +832,9 @@ const struct efx_nic_type ef100_vf_nic_type = {
 	.filter_count_rx_used = efx_mcdi_filter_count_rx_used,
 	.filter_get_rx_id_limit = efx_mcdi_filter_get_rx_id_limit,
 	.filter_get_rx_ids = efx_mcdi_filter_get_rx_ids,
+#ifdef CONFIG_RFS_ACCEL
 	.filter_rfs_expire_one = efx_mcdi_filter_rfs_expire_one,
+#endif
 
 	.rx_prefix_size = ESE_GZ_RX_PKT_PREFIX_LEN,
 	.rx_hash_offset = ESF_GZ_RX_PREFIX_RSS_HASH_LBN / 8,
-- 
2.26.2