Liu Yuan 833a7cc36e sheepdog: fix confused return values
These functions mix up -1 and -errno in return values and would might cause
trouble error handling in the call chain.

This patch let them return -errno and add some comments.

Cc: qemu-devel@nongnu.org
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Reported-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Liu Yuan <liuyuan@cmss.chinamobile.com>
Message-id: 1424231875-7131-1-git-send-email-namei.unix@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-03-10 14:02:23 +01:00
2015-03-04 13:00:36 -05:00
2015-02-06 16:11:38 +00:00
2015-02-19 09:33:03 +01:00
2015-02-19 09:33:03 +01:00
2015-03-04 15:33:05 +00:00
2015-02-13 11:44:50 +00:00
2015-02-12 21:21:38 -08:00
2015-03-10 14:02:23 +01:00
2015-03-08 09:47:55 +00:00
2015-02-23 10:56:09 -05:00
2015-03-08 06:43:32 +00:00
2015-02-16 17:30:19 +01:00
2015-02-16 17:31:55 +01:00
2015-03-04 14:47:52 +01:00
2015-02-06 14:35:52 +00:00
2015-03-02 12:13:45 +00:00
2015-02-16 14:36:03 +00:00
2015-03-02 12:13:45 +00:00
2015-02-16 15:07:19 +00:00
2015-02-12 21:21:38 -08:00
2015-03-08 06:43:32 +00:00

Read the documentation in qemu-doc.html or on http://wiki.qemu-project.org

- QEMU team
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