Modules/FAT - Implimentation of FAT_Link, validity unknown but it compiles

[tpg/acess2.git] / KernelLand / Modules / Filesystems / FAT / nodecache.c

diff --git a/KernelLand/Modules/Filesystems/FAT/nodecache.c b/KernelLand/Modules/Filesystems/FAT/nodecache.c
index e181e98..c862dca 100644 (file)
--- a/KernelLand/Modules/Filesystems/FAT/nodecache.c
+++ b/KernelLand/Modules/Filesystems/FAT/nodecache.c
@@ -155,13 +155,14 @@ tVFS_Node *FAT_int_CacheNode(tFAT_VolInfo *Disk, const tVFS_Node *Node)
        return &cnode->Node;
 }
 
-void FAT_int_DerefNode(tVFS_Node *Node)
+int FAT_int_DerefNode(tVFS_Node *Node)
 {
        tFAT_VolInfo    *Disk = Node->ImplPtr;
        tFAT_CachedNode *cnode, *prev = NULL;
+        int    bFreed = 0;
 
        if( Node == &Disk->rootNode )
-               return ;        
+               return 0;
 
        Mutex_Acquire(&Disk->lNodeCache);
        Node->ReferenceCount --;
@@ -175,15 +176,19 @@ void FAT_int_DerefNode(tVFS_Node *Node)
                        break;
                }
        }
+       if(Node->ReferenceCount == 0 && cnode) {
+               // Already out of the list :)
+               free(cnode->Node.Data);
+               free(cnode);
+               bFreed = 1;
+       }
        Mutex_Release(&Disk->lNodeCache);
        if( !cnode ) {
                // Not here?
-               return ;
+               return -1;
        }
        
-       // Already out of the list :)
-       free(cnode->Node.Data);
-       free(cnode);
+       return bFreed;
 }
 
 void FAT_int_ClearNodeCache(tFAT_VolInfo *Disk)