Commit b53e8cfe authored by Namjae Jeon's avatar Namjae Jeon Committed by Steve French
Browse files

ksmbd: return STATUS_NOT_SUPPORTED on unsupported smb2.0 dialect 



ksmbd returned "Input/output error" when mounting with vers=2.0 to
ksmbd. It should return STATUS_NOT_SUPPORTED on unsupported smb2.0
dialect.

Cc: stable@vger.kernel.org
Reported-by: default avatarSteve French <stfrench@microsoft.com>
Signed-off-by: default avatarNamjae Jeon <linkinjeon@kernel.org>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent be6f42fa

fs/ksmbd/smb_common.c

+2 −2
Original line number Diff line number Diff line
@@ -434,7 +434,7 @@ int ksmbd_extract_shortname(struct ksmbd_conn *conn, const char *longname, 


static int __smb2_negotiate(struct ksmbd_conn *conn)

{

	return (conn->dialect >= SMB21_PROT_ID &&

	return (conn->dialect >= SMB20_PROT_ID &&

		conn->dialect <= SMB311_PROT_ID);

}
@@ -465,7 +465,7 @@ int ksmbd_smb_negotiate_common(struct ksmbd_work *work, unsigned int command) 
		}

	}



	if (command == SMB2_NEGOTIATE_HE && __smb2_negotiate(conn)) {

	if (command == SMB2_NEGOTIATE_HE) {

		ret = smb2_handle_negotiate(work);

		init_smb2_neg_rsp(work);

		return ret;