[PATCH] DEBUG_FS must depend on SYSFS
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@stusta.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 0c42129..299f7f3 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -141,7 +141,7 @@
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
