From f2d5990d313c1baec901b1affbd719791e8b841d Mon Sep 17 00:00:00 2001
From: Anand Jain <anand.jain@oracle.com>
Date: Fri, 29 Mar 2019 13:49:54 +0800
Subject: [PATCH] btrfs-progs: scan: pass blkid_get_cache error code

blkid_get_cache() returns error code which is -errno. So we can use them
directly.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
 utils.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/utils.c b/utils.c
index 9e26c884..c6cdc8f0 100644
--- a/utils.c
+++ b/utils.c
@@ -1994,9 +1994,11 @@ int btrfs_scan_devices(void)
 	if (btrfs_scan_done)
 		return 0;
 
-	if (blkid_get_cache(&cache, NULL) < 0) {
-		error("blkid cache get failed");
-		return 1;
+	ret = blkid_get_cache(&cache, NULL);
+	if (ret < 0) {
+		errno = -ret;
+		error("blkid cache get failed: %m");
+		return ret;
 	}
 	blkid_probe_all(cache);
 	iter = blkid_dev_iterate_begin(cache);