From 555e12864063762964433139dee651c5b859a047 Mon Sep 17 00:00:00 2001
From: Filipe Manana <fdmanana@suse.com>
Date: Mon, 7 Jul 2014 12:35:21 +0100
Subject: [PATCH] Btrfs: set error return value in btrfs_get_blocks_direct

We were returning with 0 (success) because we weren't extracting the
error code from em (PTR_ERR(em)). Fix it.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
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Reading git-format-patch failed