From 4a16608150351561ee0686ba26c69adfb7963e96 Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.com>
Date: Wed, 7 Sep 2016 15:09:14 +0200
Subject: [PATCH] btrfs-progs: fi du: improved error handling in
 mark_inode_seen

The callchain handles errors, don't crash on unexpected condition.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 cmds-fi-du.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmds-fi-du.c b/cmds-fi-du.c
index 47ceb969..a5b66e6f 100644
--- a/cmds-fi-du.c
+++ b/cmds-fi-du.c
@@ -228,7 +228,7 @@ static int mark_inode_seen(u64 ino, u64 subvol)
 		else if (cmp > 0)
 			p = &(*p)->rb_right;
 		else
-			BUG();
+			return -EEXIST;
 	}
 
 	si = calloc(1, sizeof(*si));