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cifs: return errors during session setup during reconnects 

commit 8ea21823aa 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@microsoft.com>
Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shyam Prasad N 2022-05-31 12:31:05 +00:00 committed by Greg Kroah-Hartman
parent f22261adff
commit 5a61ba459e
1 changed files with 3 additions and 0 deletions
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3
fs/cifs/smb2pdu.c
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@ -288,6 +288,9 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon,
mutex_unlock(&ses->session_mutex);
rc = -EHOSTDOWN;
goto failed;
} else if (rc) {
mutex_unlock(&ses->session_mutex);
goto out;
}
} else {
mutex_unlock(&ses->session_mutex);