[Qemu-devel] [PATCH v7 0/4] Improve error reporting

[Mao Zhongyi <maozy.fnst@cn.fujitsu.com>]

v7:
* PATCH 01
  -fix the error message.    [Daniel P. Berrange]
  -adjust the Indentation problem.    [Eric Blake]
* PATCH 03
  -print a generic message when gethostbyname() failed in parse_host_port(),
   drop the misleading ": unkonwn host" part.    [Markus Armbruster]

v6:
* PATCH 02
  -rename the subject
  -drop the "qemu: error: " prefix.
  -correct inappropriate error information settings.
* PATCH 03,04
  -correct inappropriate error information settings.    [Markus Armbruster]

v5:
* PATCH 01 make the commit message more exact about the actual function.    [Markus Armbruster]
* PATCH 02, 03, 04 still retains the original function, but specific
           content and order of each patch has been adjusted substantially, 
           so that ensure each patch is a completed fix.    [Markus Armbruster]

v4: 
* PATCH 01 is redoing previous patch 1, replace the fprintf() with error_report()
		     in the 'default' case of net_socket_fd_init() [Markus Armbruster]

v3:
* PATCH 01 is suggested by Markus and Daniel that removes the dubious 'default' case
           in the net_socket_fd_init(). Jason agreed.
* PATCH 02 is redoing previous patch 4.
* PATCH 04 is redoing previous patch 2, improves sort of error messages. 

v2:
* PATCH 02 reworking of patch 2 following Markus's suggestion that convert error_report()
           in the function called by net_socket_*_init() to Error. Also add many error 
           handling information.
* PATCH 03 net_socket_mcast_create(), net_socket_fd_init_dgram() and net_socket_fd_init() 
           use the function such as fprintf, perror to report an error message. Convert it 
           to Error.
* PATCH 04 parse_host_port() may fail without reporting an error. Now, fix it to set an
           error when it fails.

Cc: jasowang@redhat.com
Cc: armbru@redhat.com
Cc: berrange@redhat.com
Cc: kraxel@redhat.com
Cc: pbonzini@redhat.com
Cc: eblake@redhat.com

Mao Zhongyi (4):
  net/socket: Don't treat odd socket type as SOCK_STREAM
  net/socket: Convert several helper functions to Error
  net/net: Convert parse_host_port() to Error
  net/socket: Improve -net socket error reporting

 include/qemu/sockets.h |   3 +-
 net/net.c              |  22 +++++--
 net/socket.c           | 156 ++++++++++++++++++++++++++++---------------------
 3 files changed, 109 insertions(+), 72 deletions(-)

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2.9.4