X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Fdrv%2Fiocache.c;h=774c497429dd0d8058df556491695b9e7a5507f4;hb=952891ddb96a341c0e24ecb7dec6361c7bbeaece;hp=ba822df8bf31534b8601ac3a48c9c27f706f3a21;hpb=4405b4fa990821a88cbded9fdf85d226ef3b3f66;p=tpg%2Facess2.git

diff --git a/Kernel/drv/iocache.c b/Kernel/drv/iocache.c
index ba822df8..774c4974 100644
--- a/Kernel/drv/iocache.c
+++ b/Kernel/drv/iocache.c
@@ -190,6 +190,10 @@ int IOCache_Add( tIOCache *Cache, Uint64 Sector, void *Buffer )
 				oldestPrev = prev;
 			}
 		}
+		if( !oldest ) {
+			Log_Error("IOCache", "Cache full, but also empty");
+			return -1;
+		}
 		// Remove from list, write back and free
 		oldestPrev->Next = oldest->Next;
 		if(oldest->LastWrite && Cache->Mode != IOCACHE_VIRTUAL)