[PATCH v2] module: fix build for CONFIG_SYSFS=n

[Randy Dunlap <randy.dunlap@oracle.com>]

> 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@oracle.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@oracle.com>
cc: Rusty Russell <rusty@rustcorp.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);