netdev - [PATCH] net: chelsio: inline_crypto: fix Kconfig and build errors

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Date:   Mon, 19 Oct 2020 11:10:59 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        kernel test robot <lkp@...el.com>,
        Vinay Kumar Yadav <vinay.yadav@...lsio.com>,
        netdev@...r.kernel.org, Ayush Sawal <ayush.sawal@...lsio.com>,
        Rohit Maheshwari <rohitm@...lsio.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH] net: chelsio: inline_crypto: fix Kconfig and build errors

Fix build errors when TLS=m, TLS_TOE=y, and CRYPTO_DEV_CHELSIO_TLS=y.

Having (tristate) CRYPTO_DEV_CHELSIO_TLS depend on (bool) TLS_TOE
is not strong enough to prevent the bad combination of TLS=m and
CRYPTO_DEV_CHELSIO_TLS=y, so add a dependency on TLS to prevent the
problematic kconfig combination.

Fixes these build errors:

hppa-linux-ld: drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.o: in function `chtls_free_uld':
 drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.c:165: undefined reference to `tls_toe_unregister_device'
hppa-linux-ld: drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.o: in function `chtls_register_dev':
drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.c:204: undefined reference to `tls_toe_register_device'

Fixes: 44fd1c1fd821 ("chelsio/chtls: separate chelsio tls driver from crypto driver")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Vinay Kumar Yadav <vinay.yadav@...lsio.com>
Cc: netdev@...r.kernel.org
Cc: Ayush Sawal <ayush.sawal@...lsio.com>
Cc: Rohit Maheshwari <rohitm@...lsio.com>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Jakub Kicinski <kuba@...nel.org>
---
 drivers/net/ethernet/chelsio/inline_crypto/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- linux-next-20201016.orig/drivers/net/ethernet/chelsio/inline_crypto/Kconfig
+++ linux-next-20201016/drivers/net/ethernet/chelsio/inline_crypto/Kconfig
@@ -16,6 +16,7 @@ if CHELSIO_INLINE_CRYPTO
 config CRYPTO_DEV_CHELSIO_TLS
 	tristate "Chelsio Crypto Inline TLS Driver"
 	depends on CHELSIO_T4
+	depends on TLS
 	depends on TLS_TOE
 	help
 	  Support Chelsio Inline TLS with Chelsio crypto accelerator.