From 200a5c17677e1ee8b78382046f3748c9f5816281 Mon Sep 17 00:00:00 2001
From: Jeff Mahoney <jeffm@suse.com>
Date: Mon, 3 Oct 2011 23:22:43 -0400
Subject: [PATCH] btrfs: find_and_setup_root error push-up

find_and_setup_root BUGs when it encounters an error from
btrfs_find_last_root, which can occur if a path can't be allocated.

This patch pushes it up to its callers where it is already handled.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
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