CIFS: Fix a possible double locking of mutex during reconnect

[linux-2.6-microblaze.git] / fs / cifs / file.c

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 7f5f617..18a1e1d 100644 (file)
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -777,6 +777,11 @@ cifs_reopen_persistent_handles(struct cifs_tcon *tcon)
        struct list_head *tmp1;
        struct list_head tmp_list;
 
+       if (!tcon->use_persistent || !tcon->need_reopen_files)
+               return;
+
+       tcon->need_reopen_files = false;
+
        cifs_dbg(FYI, "Reopen persistent handles");
        INIT_LIST_HEAD(&tmp_list);
 
@@ -793,7 +798,8 @@ cifs_reopen_persistent_handles(struct cifs_tcon *tcon)
 
        list_for_each_safe(tmp, tmp1, &tmp_list) {
                open_file = list_entry(tmp, struct cifsFileInfo, rlist);
-               cifs_reopen_file(open_file, false /* do not flush */);
+               if (cifs_reopen_file(open_file, false /* do not flush */))
+                       tcon->need_reopen_files = true;
                list_del_init(&open_file->rlist);
                cifsFileInfo_put(open_file);
        }