From 0885b942b3575c7f2a8290087751d83902587371 Mon Sep 17 00:00:00 2001
From: Jes Sorensen <jsorensen@fb.com>
Date: Tue, 25 Apr 2017 14:34:31 -0400
Subject: [RHEL7.5 PATCH 097/169] Detail: Reinstate support for not having
 sysfs

While sysfs support will hopefully go away eventually, lets not break
it unnecessarily for now.

Fixes: 901d5ee ("Detail: Stop bothering about md drivers older than 0.90.00")
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
---
 Detail.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Detail.c b/Detail.c
index ceb21b1..ef2370c 100644
--- a/Detail.c
+++ b/Detail.c
@@ -88,9 +88,11 @@ int Detail(char *dev, struct context *c)
 	}
 	sra = sysfs_read(fd, NULL, GET_VERSION | GET_DEVS | GET_ARRAY_STATE);
 	if (!sra) {
-		pr_err("%s does not appear to be an md device\n", dev);
-		close(fd);
-		return rv;
+		if (md_get_array_info(fd, &array)) {
+			pr_err("%s does not appear to be an md device\n", dev);
+			close(fd);
+			return rv;
+		}
 	}
 	external = (sra != NULL && sra->array.major_version == -1 &&
 		    sra->array.minor_version == -2);
-- 
2.7.4