linux-kernel - [PATCH 8/9] isdn: Make CONFIG_ISDN depend on CONFIG

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Message-ID: <20121105103126.GB5220@gmail.com>
Date:	Mon, 5 Nov 2012 11:31:26 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	David Miller <davem@...emloft.net>
Cc:	pebolle@...cali.nl, linux-kernel@...r.kernel.org,
	isdn@...ux-pingi.de, netdev@...r.kernel.org
Subject: [PATCH 8/9] isdn: Make CONFIG_ISDN depend on CONFIG_NETDEVICES

Does something like look like a better solution?

Author: Lee Jones <lee.jones@...aro.org>
Date:   Sat Nov 3 22:06:02 2012 +0100

    isdn: Make CONFIG_ISDN depend on CONFIG_NETDEVICES
    
    It doesn't make much sense to enable ISDN services if you don't
    intend to connect to a network. Therefore insisting that ISDN
    depends on NETDEVICES seems logical. We can then remove any
    guards mentioning NETDEVICES inside all subordinate drivers.
    
    This also has the nice side-effect of fixing the warning below
    when ISDN_I4L && !CONFIG_NETDEVICES at compile time.
    
    This patch fixes:
    drivers/isdn/i4l/isdn_common.c: In function ‘isdn_ioctl’:
    drivers/isdn/i4l/isdn_common.c:1278:8: warning: unused variable ‘s’ [-Wunused-variable]
    
    Cc: Karsten Keil <isdn@...ux-pingi.de>
    Cc: netdev@...r.kernel.org
    Signed-off-by: Lee Jones <lee.jones@...aro.org>

diff --git a/drivers/isdn/Kconfig b/drivers/isdn/Kconfig
index a233ed5..86cd75a 100644
--- a/drivers/isdn/Kconfig
+++ b/drivers/isdn/Kconfig
@@ -4,7 +4,7 @@
 
 menuconfig ISDN
 	bool "ISDN support"
-	depends on NET
+	depends on NET && NETDEVICES
 	depends on !S390 && !UML
 	---help---
 	  ISDN ("Integrated Services Digital Network", called RNIS in France)
diff --git a/drivers/isdn/i4l/Kconfig b/drivers/isdn/i4l/Kconfig
index 2302fbe..9c6650e 100644
--- a/drivers/isdn/i4l/Kconfig
+++ b/drivers/isdn/i4l/Kconfig
@@ -6,7 +6,7 @@ if ISDN_I4L
 
 config ISDN_PPP
 	bool "Support synchronous PPP"
-	depends on INET && NETDEVICES
+	depends on INET
 	select SLHC
 	help
 	  Over digital connections such as ISDN, there is no need to
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index 8c610fa..e2a945e 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -1312,7 +1312,6 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg)
 			} else
 				return -EINVAL;
 			break;
-#ifdef CONFIG_NETDEVICES
 		case IIOCNETGPN:
 			/* Get peer phone number of a connected
 			 * isdn network interface */
@@ -1322,7 +1321,6 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg)
 				return isdn_net_getpeer(&phone, argp);
 			} else
 				return -EINVAL;
-#endif
 		default:
 			return -EINVAL;
 		}
@@ -1352,7 +1350,6 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg)
 		case IIOCNETLCR:
 			printk(KERN_INFO "INFO: ISDN_ABC_LCR_SUPPORT not enabled\n");
 			return -ENODEV;
-#ifdef CONFIG_NETDEVICES
 		case IIOCNETAIF:
 			/* Add a network-interface */
 			if (arg) {
@@ -1491,7 +1488,6 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg)
 				return -EFAULT;
 			return isdn_net_force_hangup(name);
 			break;
-#endif                          /* CONFIG_NETDEVICES */
 		case IIOCSETVER:
 			dev->net_verbose = arg;
 			printk(KERN_INFO "isdn: Verbose-Level is %d\n", dev->net_verbose);
--
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