From: Rusty Russell <rusty@rustcorp.com.au>
Date: Mon, 6 Dec 2010 03:12:13 +0000 (+1030)
Subject: idtree: fix overflow for v. large ids on allocation and removal
X-Git-Url: https://git.ozlabs.org/?p=ccan;a=commitdiff_plain;h=c5074939f21be43eb408dbab5f6708dd74dba531;hp=c5074939f21be43eb408dbab5f6708dd74dba531

idtree: fix overflow for v. large ids on allocation and removal

Chris Cowan tracked down a SEGV in sub_alloc: idp->level can actually
be equal to 7 (MAX_LEVEL) there, as it can be in sub_remove.
---