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Subject[PATCH 5.15 219/247] cifs: return errors during session setup during reconnects
Date
From: Shyam Prasad N <sprasad@microsoft.com>

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@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>
---
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;
}
}
/*

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