netdev - [PATCH net-next 1/3] net: update real_num_rx_queues even when !CONFIG

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Message-Id: <20180731034353.3774-2-jakub.kicinski@netronome.com>
Date:   Mon, 30 Jul 2018 20:43:51 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     davem@...emloft.net, alexei.starovoitov@...il.com,
        daniel@...earbox.net
Cc:     netdev@...r.kernel.org, oss-drivers@...ronome.com,
        bjorn.topel@...el.com,
        Jakub Kicinski <jakub.kicinski@...ronome.com>
Subject: [PATCH net-next 1/3] net: update real_num_rx_queues even when !CONFIG_SYSFS

We used to depend on real_num_rx_queues as a upper bound for sanity
checks.  For AF_XDP socket validation it's useful if the check behaves
the same regardless of CONFIG_SYSFS setting.

Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@...ronome.com>
---
 include/linux/netdevice.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 9c917467a2c7..3bf7e93c9e96 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3431,8 +3431,9 @@ int netif_set_real_num_tx_queues(struct net_device *dev, unsigned int txq);
 int netif_set_real_num_rx_queues(struct net_device *dev, unsigned int rxq);
 #else
 static inline int netif_set_real_num_rx_queues(struct net_device *dev,
-						unsigned int rxq)
+						unsigned int rxqs)
 {
+	dev->real_num_rx_queues = rxqs;
 	return 0;
 }
 #endif
-- 
2.17.1