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34 lines
959 B
34 lines
959 B
From 1b4944f3a1e135871437cc33c26539028e6da5d6 Mon Sep 17 00:00:00 2001 |
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From: Zhilong Liu <zlliu@suse.com> |
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Date: Tue, 28 Mar 2017 21:52:27 +0800 |
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Subject: [RHEL7.5 PATCH 021/169] mdadm/Build:check the level parameter |
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when build new array |
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check if user forgets to specify the --level |
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when build a new array. such as: |
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./mdadm -B /dev/md0 -n2 /dev/loop[0-1] |
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Signed-off-by: Zhilong Liu <zlliu@suse.com> |
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Signed-off-by: Jes Sorensen <Jes.Sorensen@gmail.com> |
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--- |
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Build.c | 4 ++++ |
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1 file changed, 4 insertions(+) |
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diff --git a/Build.c b/Build.c |
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index 74a440e..a5fcc06 100644 |
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--- a/Build.c |
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+++ b/Build.c |
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@@ -56,6 +56,10 @@ int Build(char *mddev, struct mddev_dev *devlist, |
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int uuid[4] = {0,0,0,0}; |
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struct map_ent *map = NULL; |
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+ if (s->level == UnSet) { |
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+ pr_err("a RAID level is needed to Build an array.\n"); |
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+ return 1; |
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+ } |
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/* scan all devices, make sure they really are block devices */ |
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for (dv = devlist; dv; dv=dv->next) { |
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subdevs++; |
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-- |
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2.7.4 |
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