This is a note to let you know that I've just added the patch titled cifs: return errors during session setup during reconnects to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: cifs-return-errors-during-session-setup-during-reconnects.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 8ea21823aa584b55ba4b861307093b78054b0c1b Mon Sep 17 00:00:00 2001 From: Shyam Prasad N <sprasad@xxxxxxxxxxxxx> Date: Tue, 31 May 2022 12:31:05 +0000 Subject: cifs: return errors during session setup during reconnects From: Shyam Prasad N <sprasad@xxxxxxxxxxxxx> commit 8ea21823aa584b55ba4b861307093b78054b0c1b upstream. During reconnects, we check the return value from cifs_negotiate_protocol, and have handlers for both success and failures. But if that passes, and cifs_setup_session returns any errors other than -EACCES, we do not handle that. This fix adds a handler for that, so that we don't go ahead and try a tree_connect on a failed session. Signed-off-by: Shyam Prasad N <sprasad@xxxxxxxxxxxxx> Reviewed-by: Enzo Matsumiya <ematsumiya@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/cifs/smb2pdu.c | 3 +++ 1 file changed, 3 insertions(+) --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -268,6 +268,9 @@ smb2_reconnect(__le16 smb2_command, stru ses->binding_chan = NULL; mutex_unlock(&tcon->ses->session_mutex); goto failed; + } else if (rc) { + mutex_unlock(&ses->session_mutex); + goto out; } } /* Patches currently in stable-queue which might be from sprasad@xxxxxxxxxxxxx are queue-5.15/cifs-return-errors-during-session-setup-during-reconnects.patch