yaffs Fix yaffs direct creating opening files with no name

Opening a file with a name that was a directory would create a
file named "" within that directory.

This is now fixed. The call fails.

Signed-off-by: Charles Manning <cdhmanning@gmail.com>

diff --git a/direct/yaffsfs.c b/direct/yaffsfs.c
index fc68b969e017c9a82af5b66452f95cfdfae87408..191c34f6bd1b6f79209c5642a4df244e1b79a85a 100644 (file)
--- a/direct/yaffsfs.c
+++ b/direct/yaffsfs.c
@@ -573,12 +573,21 @@ int yaffs_open(const YCHAR *path, int oflag, int mode)
                if(obj)
                        obj = yaffs_GetEquivalentObject(obj);
 
-               if(obj && obj->variantType != YAFFS_OBJECT_TYPE_FILE)
+               if(obj &&
+                       obj->variantType != YAFFS_OBJECT_TYPE_FILE &&
+                       obj->variantType != YAFFS_OBJECT_TYPE_DIRECTORY)
                        obj = NULL;
 
                if(obj){
 
-                       /* The file already exists */
+                       /* The file already exists or it might be a directory */
+
+                       /* If it is a directory then we can't open it as a file */
+                       if(obj->variantType == YAFFS_OBJECT_TYPE_DIRECTORY){
+                               openDenied = 1;
+                               yaffsfs_SetError(-EISDIR);
+                               errorReported = 1;
+                       }
 
                        /* Open should fail if O_CREAT and O_EXCL are specified since
                         * the file exists