nfsd: NFSD_FAULT_INJECTION depends on DEBUG_FS

NFSD_FAULT_INJECTION depends on DEBUG_FS, otherwise the debugfs_create_*
interface may return unexpected error -ENODEV, and cause system crash.

Signed-off-by: Chengyu Song <csong84@gatech.edu>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig
index 683bf71..8b87b7a 100644 (file)
--- a/fs/nfsd/Kconfig
+++ b/fs/nfsd/Kconfig
@@ -107,7 +107,7 @@ config NFSD_V4_SECURITY_LABEL
 
 config NFSD_FAULT_INJECTION
        bool "NFS server manual fault injection"
-       depends on NFSD_V4 && DEBUG_KERNEL
+       depends on NFSD_V4 && DEBUG_KERNEL && DEBUG_FS
        help
          This option enables support for manually injecting faults
          into the NFS server.  This is intended to be used for