linux-kernel - [PATCH, net-next] net/mlx5e: fix TLS dependency

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Message-Id: <20180525213630.2119214-1-arnd@arndb.de>
Date:   Fri, 25 May 2018 23:36:06 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Saeed Mahameed <saeedm@...lanox.com>,
        Leon Romanovsky <leon@...nel.org>,
        "David S. Miller" <davem@...emloft.net>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Boris Pismenny <borisp@...lanox.com>,
        Ilan Tayari <ilant@...lanox.com>,
        Or Gerlitz <ogerlitz@...lanox.com>,
        Ilya Lesokhin <ilyal@...lanox.com>,
        Feras Daoud <ferasda@...lanox.com>, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH, net-next] net/mlx5e: fix TLS dependency

With CONFIG_TLS=m and MLX5_CORE_EN=y, we get a link failure:

drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.o: In function `mlx5e_tls_handle_ooo':
tls_rxtx.c:(.text+0x24c): undefined reference to `tls_get_record'
drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.o: In function `mlx5e_tls_handle_tx_skb':
tls_rxtx.c:(.text+0x9a8): undefined reference to `tls_device_sk_destruct'

This narrows down the dependency to only allow the configurations
that will actually work. The existing dependency on TLS_DEVICE is
not sufficient here since MLX5_EN_TLS is a 'bool' symbol.

Fixes: c83294b9efa5 ("net/mlx5e: TLS, Add Innova TLS TX support")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/net/ethernet/mellanox/mlx5/core/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
index ee6684779d11..2545296a0c08 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
@@ -91,6 +91,7 @@ config MLX5_EN_TLS
 	bool "TLS cryptography-offload accelaration"
 	depends on MLX5_CORE_EN
 	depends on TLS_DEVICE
+	depends on TLS=y || MLX5_CORE=m
 	depends on MLX5_ACCEL
 	default n
 	---help---
-- 
2.9.0