[2.6 patch] DEBUG_FS must depend on SYSFS

[Adrian Bunk]

CONFIG_DEBUG_FS=y and CONFIG_SYSFS=n results in the following compile 
error:

<--  snip  -->

...
  LD      vmlinux
fs/built-in.o: In function `debugfs_init':
inode.c:(.init.text+0x31be): undefined reference to `kernel_subsys'
make: *** [vmlinux] Error 1

<--  snip  -->


Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>

--- linux-2.6.13-rc3-mm1-full/lib/Kconfig.debug.old	2005-07-23 22:20:35.000000000 +0200
+++ linux-2.6.13-rc3-mm1-full/lib/Kconfig.debug	2005-07-23 22:20:49.000000000 +0200
@@ -170,7 +170,7 @@
 
 config DEBUG_FS
 	bool "Debug Filesystem"
-	depends on DEBUG_KERNEL
+	depends on DEBUG_KERNEL && SYSFS
 	help
 	  debugfs is a virtual file system that kernel developers use to put
 	  debugging files into.  Enable this option to be able to read and

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