From af80ded9027019071949a81e28fab16767296992 Mon Sep 17 00:00:00 2001 From: Casey Bodley Date: Fri, 26 Aug 2011 11:30:48 -0400 Subject: [PATCH] namecache: check for empty list before scavenging Signed-off-by: Casey Bodley --- daemon/name_cache.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/daemon/name_cache.c b/daemon/name_cache.c index 75f31c9..1aa8182 100644 --- a/daemon/name_cache.c +++ b/daemon/name_cache.c @@ -437,6 +437,10 @@ static int name_cache_entry_create( if (cache->entries >= cache->max_entries) { /* scavenge the oldest entry */ + if (list_empty(&cache->exp_entries)) { + status = ERROR_OUTOFMEMORY; + goto out; + } entry = name_entry(cache->exp_entries.prev); name_cache_unlink(cache, entry); @@ -452,6 +456,7 @@ static int name_cache_entry_create( name_cache_entry_rename(entry, component); *entry_out = entry; +out: return status; }