From 2679fa315da579fbdc7dd35d3ee1cb364b85a1d9 Mon Sep 17 00:00:00 2001
From: Jeremy Allison <jra@samba.org>
Date: Mon, 2 Oct 2000 21:03:46 +0000
Subject: Memleak fix for cache code. Jeremy. (This used to be commit
 1ebe54666b0fc6f224f17036063dfe0ef7ec9147)

---
 source3/include/proto.h |  1 -
 source3/smbd/close.c    | 24 ++++++++++++++++++++----
 source3/smbd/fileio.c   |  8 +++++++-
 3 files changed, 27 insertions(+), 6 deletions(-)

diff --git a/source3/include/proto.h b/source3/include/proto.h
index c79db02a4a..f06a0a790f 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -3368,7 +3368,6 @@ BOOL check_plaintext_password(char *user, char *old_passwd,
 /*The following definitions come from  smbd/close.c  */
 
 #if OLD_NTDOMAIN
-void close_filestruct(files_struct *fsp);
 int close_file(files_struct *fsp, BOOL normal_close);
 #endif
 
diff --git a/source3/smbd/close.c b/source3/smbd/close.c
index 0b7b5f794e..f71b6b04f1 100644
--- a/source3/smbd/close.c
+++ b/source3/smbd/close.c
@@ -68,11 +68,15 @@ static void check_magic(files_struct *fsp,connection_struct *conn)
   Common code to close a file or a directory.
 ****************************************************************************/
 
-void close_filestruct(files_struct *fsp)
+static int close_filestruct(files_struct *fsp)
 {   
 	connection_struct *conn = fsp->conn;
+	int ret = 0;
     
-    flush_write_cache(fsp, CLOSE_FLUSH);
+	if(flush_write_cache(fsp, CLOSE_FLUSH) == -1)
+		ret = -1;
+
+	delete_write_cache(fsp);
 
 	fsp->is_directory = False; 
 	fsp->stat_open = False; 
@@ -82,6 +86,8 @@ void close_filestruct(files_struct *fsp)
 		free((char *)fsp->wbmpx_ptr);
 		fsp->wbmpx_ptr = NULL; 
 	}  
+
+	return ret;
 }    
 
 /****************************************************************************
@@ -98,10 +104,17 @@ static int close_normal_file(files_struct *fsp, BOOL normal_close)
 	BOOL delete_on_close = fsp->delete_on_close;
 	connection_struct *conn = fsp->conn;
 	int err = 0;
+	int err1 = 0;
 
 	remove_pending_lock_requests_by_fid(fsp);
 
-	close_filestruct(fsp);
+	/*
+	 * If we're flushing on a close we can get a write
+	 * error here, we must remember this.
+	 */
+
+	if (close_filestruct(fsp) == -1)
+		err1 = -1;
 
 	if (normal_close && fsp->print_file) {
 		print_fsp_end(fsp);
@@ -156,7 +169,10 @@ with error %s\n", fsp->fsp_name, strerror(errno) ));
 
 	file_free(fsp);
 
-	return err;
+	if (err == -1 || err1 == -1)
+		return -1;
+	else
+		return 0;
 }
 
 /****************************************************************************
diff --git a/source3/smbd/fileio.c b/source3/smbd/fileio.c
index 7fbf6e2a37..3ebc46e86b 100644
--- a/source3/smbd/fileio.c
+++ b/source3/smbd/fileio.c
@@ -186,7 +186,7 @@ ssize_t write_file(files_struct *fsp, char *data, SMB_OFF_T pos, size_t n)
        * the write cache.
        */
 
-      if ((fsp->oplock_type == EXCLUSIVE_OPLOCK) && !wcp) {
+      if (EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type) && !wcp) {
         setup_write_cache(fsp, st.st_size);
         wcp = fsp->wcp;
       } 
@@ -569,6 +569,9 @@ void delete_write_cache(files_struct *fsp)
   free(wcp);
 
   fsp->wcp = NULL;
+
+  DEBUG(10,("delete_write_cache: File %s deleted write cache\n", fsp->fsp_name ));
+
 }
 
 /****************************************************************************
@@ -604,6 +607,9 @@ static BOOL setup_write_cache(files_struct *fsp, SMB_OFF_T file_size)
   fsp->wcp = wcp;
   allocated_write_caches++;
 
+  DEBUG(10,("setup_write_cache: File %s allocated write cache size %u\n",
+		fsp->fsp_name, wcp->alloc_size ));
+
   return True;
 }
 
-- 
cgit