linux-kernel - [PATCH] net: hyperv: select CONFIG

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Message-Id: <20230417205553.1910749-1-arnd@kernel.org>
Date:   Mon, 17 Apr 2023 22:55:48 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Saurabh Sengar <ssengar@...ux.microsoft.com>,
        Michael Kelley <mikelley@...rosoft.com>
Cc:     Arnd Bergmann <arnd@...db.de>, linux-hyperv@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] net: hyperv: select CONFIG_NLS for mac address setting

From: Arnd Bergmann <arnd@...db.de>

A rare randconfig build error happens when this driver is
enabled, but nothing else enables NLS support:

x86_64-linux-ld: drivers/net/hyperv/rndis_filter.o: in function `rndis_filter_set_device_mac':
rndis_filter.c:(.text+0x1536): undefined reference to `utf8s_to_utf16s'

This is normally selected by PCI, USB, ACPI, or common file systems.
Since the dependency on ACPI is now gone, NLS has to be selected
here directly.

Fixes: 38299f300c12 ("Driver: VMBus: Add Devicetree support")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/net/hyperv/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/hyperv/Kconfig b/drivers/net/hyperv/Kconfig
index ca7bf7f897d3..924dad26ad47 100644
--- a/drivers/net/hyperv/Kconfig
+++ b/drivers/net/hyperv/Kconfig
@@ -2,6 +2,7 @@
 config HYPERV_NET
 	tristate "Microsoft Hyper-V virtual network driver"
 	depends on HYPERV
+	select NLS
 	select UCS2_STRING
 	help
 	  Select this option to enable the Hyper-V virtual network driver.
-- 
2.39.2