tree 9796d997c2fa6a5b5e21a71c252178bb38628e40
parent 43cd209803d6cffb1e1a028c9ff2fd0ff4fce954
author Max Reitz <mreitz@redhat.com> 1383678213 +0100
committer Stefan Hajnoczi <stefanha@redhat.com> 1383829138 +0100

block: Save errno before error_setg_errno

error_setg_errno() may overwrite errno; therefore, its value should be
read before calling that function and not afterwards.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>