[-mm patch] MTD_UBI_DEBUG must depend on SYSFS

[Adrian Bunk]

On Sat, Feb 17, 2007 at 09:51:46PM -0800, Andrew Morton wrote:
>...
> Changes since 2.6.20-mm1:
>...
>  git-ubi.patch
>...
>  git trees
>...


If you select an option, you have to ensure that the dependencies of all 
options you are select'ing are fulfilled.

This patch fixes the following compile error:

<--  snip  -->

...
  LD      .tmp_vmlinux1
fs/built-in.o: In function `debugfs_init':
inode.c:(.init.text+0x3621): undefined reference to `kernel_subsys'
make[1]: *** [.tmp_vmlinux1] Error 1

<--  snip  -->

I've also removed the superfluous "default n".

Signed-off-by: Adrian Bunk <bunk at stusta.de>

---
--- linux-2.6.20-mm2/drivers/mtd/ubi/Kconfig.debug.old	2007-02-20 19:57:23.000000000 +0100
+++ linux-2.6.20-mm2/drivers/mtd/ubi/Kconfig.debug	2007-02-20 19:57:51.000000000 +0100
@@ -5,7 +5,7 @@
 
 config MTD_UBI_DEBUG
 	bool "UBI debugging"
-	default n
+	depends on SYSFS
 	depends on MTD_UBI
 	select DEBUG_FS
 	select KALLSYMS_ALL