Second part of the fix for bug #5790 - samba returns STATUS_OBJECT_NAME_NOT_FOUND on set file disposition call.

This was my fault. I use a singleton cache (positive and negative) to speed up pathname based qfileinfo/setfileinfo lookups for alternate fsp's open on the same path. I only invalidated the negative cache on adding a new file fsp, as I incorrectly imagined the new fsp was put at the *end* of the open files list. DLIST_ADD puts it at the start, meaning any subsequent open wasn't seen once the cache was set. Doh !
Jeremy.

1 files changed, 6 insertions, 4 deletions

diff --git a/source3/smbd/files.c b/source3/smbd/files.c
index 777f8e1e23..8d06e20f81 100644
--- a/source3/smbd/files.c
+++ b/source3/smbd/files.c
@@ -122,10 +122,12 @@ NTSTATUS file_new(connection_struct *conn, files_struct **result)
 
 	chain_fsp = fsp;
 
-	/* A new fsp invalidates a negative fsp_fi_cache. */
-	if (fsp_fi_cache.fsp == NULL) {
-		ZERO_STRUCT(fsp_fi_cache);
-	}
+	/* A new fsp invalidates the positive and
+	  negative fsp_fi_cache as the new fsp is pushed
+	  at the start of the list and we search from
+	  a cache hit to the *end* of the list. */
+
+	ZERO_STRUCT(fsp_fi_cache);
 
 	*result = fsp;
 	return NT_STATUS_OK;