tree 1862586786ade94a6852bdd63ea1cfbb8d164037
parent ca49a4fdb39d7b00b20e8500cba11aedc87755bd
author Max Reitz <mreitz@redhat.com> 1423162692 -0500
committer Stefan Hajnoczi <stefanha@redhat.com> 1424099238 +0000

block: Add Error parameter to bdrv_find_protocol()

The argument given to bdrv_find_protocol() is just a file name, which
makes it difficult for the caller to reconstruct what protocol
bdrv_find_protocol() was hoping to find. This patch adds an Error
parameter to that function to solve this issue.

Suggested-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1423162705-32065-4-git-send-email-mreitz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>