diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c
index 09d4f8d9d592..7c1380305219 100644
--- a/drivers/mtd/ubi/debug.c
+++ b/drivers/mtd/ubi/debug.c
@@ -264,7 +264,7 @@ static struct dentry *dfs_rootdir;
  */
 int ubi_debugfs_init(void)
 {
-	if (!IS_ENABLED(DEBUG_FS))
+	if (!IS_ENABLED(CONFIG_DEBUG_FS))
 		return 0;
 
 	dfs_rootdir = debugfs_create_dir("ubi", NULL);
@@ -284,7 +284,7 @@ int ubi_debugfs_init(void)
  */
 void ubi_debugfs_exit(void)
 {
-	if (IS_ENABLED(DEBUG_FS))
+	if (IS_ENABLED(CONFIG_DEBUG_FS))
 		debugfs_remove(dfs_rootdir);
 }
 
@@ -407,7 +407,7 @@ int ubi_debugfs_init_dev(struct ubi_device *ubi)
 	struct dentry *dent;
 	struct ubi_debug_info *d = ubi->dbg;
 
-	if (!IS_ENABLED(DEBUG_FS))
+	if (!IS_ENABLED(CONFIG_DEBUG_FS))
 		return 0;
 
 	n = snprintf(d->dfs_dir_name, UBI_DFS_DIR_LEN + 1, UBI_DFS_DIR_NAME,
@@ -477,6 +477,6 @@ out:
  */
 void ubi_debugfs_exit_dev(struct ubi_device *ubi)
 {
-	if (IS_ENABLED(DEBUG_FS))
+	if (IS_ENABLED(CONFIG_DEBUG_FS))
 		debugfs_remove_recursive(ubi->dbg->dfs_dir);
 }
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index 84a7e6f3c046..92df3b081539 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -2918,7 +2918,7 @@ int dbg_debugfs_init_fs(struct ubifs_info *c)
 	struct dentry *dent;
 	struct ubifs_debug_info *d = c->dbg;
 
-	if (!IS_ENABLED(DEBUG_FS))
+	if (!IS_ENABLED(CONFIG_DEBUG_FS))
 		return 0;
 
 	n = snprintf(d->dfs_dir_name, UBIFS_DFS_DIR_LEN + 1, UBIFS_DFS_DIR_NAME,
@@ -3013,7 +3013,7 @@ out:
  */
 void dbg_debugfs_exit_fs(struct ubifs_info *c)
 {
-	if (IS_ENABLED(DEBUG_FS))
+	if (IS_ENABLED(CONFIG_DEBUG_FS))
 		debugfs_remove_recursive(c->dbg->dfs_dir);
 }
 
@@ -3099,7 +3099,7 @@ int dbg_debugfs_init(void)
 	const char *fname;
 	struct dentry *dent;
 
-	if (!IS_ENABLED(DEBUG_FS))
+	if (!IS_ENABLED(CONFIG_DEBUG_FS))
 		return 0;
 
 	fname = "ubifs";
@@ -3166,7 +3166,7 @@ out:
  */
 void dbg_debugfs_exit(void)
 {
-	if (IS_ENABLED(DEBUG_FS))
+	if (IS_ENABLED(CONFIG_DEBUG_FS))
 		debugfs_remove_recursive(dfs_rootdir);
 }
 
diff --git a/fs/ubifs/find.c b/fs/ubifs/find.c
index 2559d174e004..28ec13af28d9 100644
--- a/fs/ubifs/find.c
+++ b/fs/ubifs/find.c
@@ -939,8 +939,8 @@ static int find_dirtiest_idx_leb(struct ubifs_info *c)
 	}
 	dbg_find("LEB %d, dirty %d and free %d flags %#x", lp->lnum, lp->dirty,
 		 lp->free, lp->flags);
-	ubifs_assert(lp->flags | LPROPS_TAKEN);
-	ubifs_assert(lp->flags | LPROPS_INDEX);
+	ubifs_assert(lp->flags & LPROPS_TAKEN);
+	ubifs_assert(lp->flags & LPROPS_INDEX);
 	return lnum;
 }