From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56162) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aoeXl-0001oE-Tc for qemu-devel@nongnu.org; Fri, 08 Apr 2016 18:06:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aoeXj-0007Sb-O0 for qemu-devel@nongnu.org; Fri, 08 Apr 2016 18:06:21 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37561) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aoeXj-0007SU-JO for qemu-devel@nongnu.org; Fri, 08 Apr 2016 18:06:19 -0400 From: Eric Blake Date: Fri, 8 Apr 2016 16:05:44 -0600 Message-Id: <1460153158-21612-5-git-send-email-eblake@redhat.com> In-Reply-To: <1460153158-21612-1-git-send-email-eblake@redhat.com> References: <1460153158-21612-1-git-send-email-eblake@redhat.com> Subject: [Qemu-devel] [PATCH 04/18] nbd: Detect servers that send unexpected error values List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: alex@alex.org.uk, Paolo Bonzini Add some debugging to flag servers that are not compliant to the NBD protocol. Signed-off-by: Eric Blake --- nbd/client.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/nbd/client.c b/nbd/client.c index 42e4e52..c834587 100644 --- a/nbd/client.c +++ b/nbd/client.c @@ -33,8 +33,10 @@ static int nbd_errno_to_system_errno(int err) return ENOMEM; case NBD_ENOSPC: return ENOSPC; + default: + TRACE("Squashing unexpected error %d to EINVAL", err); + /* fallthrough */ case NBD_EINVAL: - default: return EINVAL; } } -- 2.5.5