cifs: have cifsFileInfo hold a reference to a tlink rather than tcon pointer

cifsFileInfo needs a pointer to a tcon, but it doesn't currently hold a
reference to it. Change it to keep a pointer to a tcon_link instead and
hold a reference to it.

That will keep the tcon from being freed until the file is closed.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 170047cf4522..1f0bd0f972d4 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -245,7 +245,7 @@ static int initiate_cifs_search(const int xid, struct file *file)
         cifsFile = file->private_data;
         cifsFile->invalidHandle = true;
         cifsFile->srch_inf.endOfSearch = false;
-        cifsFile->tcon = pTcon;
+        cifsFile->tlink = cifs_get_tlink(tlink);
 
         full_path = build_path_from_dentry(file->f_path.dentry);
         if (full_path == NULL) {
@@ -838,7 +838,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
                         CIFSFindClose(xid, pTcon, cifsFile->netfid);
                 } */
 
-                pTcon = cifsFile->tcon;
+                pTcon = tlink_tcon(cifsFile->tlink);
                 rc = find_cifs_entry(xid, pTcon, file,
                                 &current_entry, &num_to_fill);
                 if (rc) {