linux-kernel - [PATCH v2] module: fix build for CONFIG

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Message-ID: <499C54E8.7060004@oracle.com>
Date:	Wed, 18 Feb 2009 10:35:20 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: [PATCH v2] module: fix build for CONFIG_SYSFS=n

> Is destroy_params() dependent on SYSFS? If yes then it would be 

Yes.

> far cleaner if there was a NOP destroy_params() inline for the 
> !SYSFS case.




From: Randy Dunlap <randy.dunlap@...cle.com>

Fix this build error when CONFIG_SYSFS=n:

kernel/built-in.o: In function `free_module':
module.c:(.text+0x4f8a2): undefined reference to `destroy_params'

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
cc: Rusty Russell <rusty@...tcorp.com.au>
---
 kernel/params.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- linux-next-20090218.orig/kernel/params.c
+++ linux-next-20090218/kernel/params.c
@@ -761,6 +761,12 @@ static int __init param_sysfs_init(void)
 }
 subsys_initcall(param_sysfs_init);
 
+#else	/* !CONFIG_SYSFS */
+
+inline void destroy_params(const struct kernel_param *params, unsigned num)
+{
+}
+
 #endif /* CONFIG_SYSFS */
 
 EXPORT_SYMBOL(param_set_byte);
--
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