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From 190dc029b141c423e724566cbed5d5afbb10b05a Mon Sep 17 00:00:00 2001
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From: Nigel Croxon <ncroxon@redhat.com>
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Date: Mon, 18 Apr 2022 13:44:23 -0400
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Subject: [PATCH 20/83] Revert "mdadm: fix coredump of mdadm --monitor -r"
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This reverts commit 546047688e1c64638f462147c755b58119cabdc8.
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The change from commit mdadm: fix coredump of mdadm
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--monitor -r broke the printing of the return message when
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passing -r to mdadm --manage, the removal of a device from
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an array.
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If the current code reverts this commit, both issues are
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still fixed.
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The original problem reported that the fix tried to address
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was: The --monitor -r option requires a parameter,
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otherwise a null pointer will be manipulated when
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converting to integer data, and a core dump will appear.
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The original problem was really fixed with:
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60815698c0a Refactor parse_num and use it to parse optarg.
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Which added a check for NULL in 'optarg' before moving it
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to the 'increments' variable.
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New issue: When trying to remove a device using the short
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argument -r, instead of the long argument --remove, the
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output is empty. The problem started when commit
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546047688e1c was added.
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Steps to Reproduce:
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1. create/assemble /dev/md0 device
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2. mdadm --manage /dev/md0 -r /dev/vdxx
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Actual results:
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Nothing, empty output, nothing happens, the device is still
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connected to the array.
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The output should have stated "mdadm: hot remove failed
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for /dev/vdxx: Device or resource busy", if the device was
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still active. Or it should remove the device and print
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a message:
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mdadm: set /dev/vdd faulty in /dev/md0
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mdadm: hot removed /dev/vdd from /dev/md0
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The following commit should be reverted as it breaks
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mdadm --manage -r.
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commit 546047688e1c64638f462147c755b58119cabdc8
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Author: Wu Guanghao <wuguanghao3@huawei.com>
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Date: Mon Aug 16 15:24:51 2021 +0800
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mdadm: fix coredump of mdadm --monitor -r
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-Nigel
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Signed-off-by: Nigel Croxon <ncroxon@redhat.com>
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Acked-by: Coly Li <colyli@suse.de>
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Signed-off-by: Jes Sorensen <jsorensen@fb.com>
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---
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ReadMe.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/ReadMe.c b/ReadMe.c
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index 8f873c48..bec1be9a 100644
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--- a/ReadMe.c
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+++ b/ReadMe.c
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@@ -81,11 +81,11 @@ char Version[] = "mdadm - v" VERSION " - " VERS_DATE EXTRAVERSION "\n";
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* found, it is started.
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*/
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-char short_options[]="-ABCDEFGIQhVXYWZ:vqbc:i:l:p:m:r:n:x:u:c:d:z:U:N:safRSow1tye:k";
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+char short_options[]="-ABCDEFGIQhVXYWZ:vqbc:i:l:p:m:n:x:u:c:d:z:U:N:sarfRSow1tye:k:";
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char short_bitmap_options[]=
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- "-ABCDEFGIQhVXYWZ:vqb:c:i:l:p:m:r:n:x:u:c:d:z:U:N:sarfRSow1tye:k:";
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+ "-ABCDEFGIQhVXYWZ:vqb:c:i:l:p:m:n:x:u:c:d:z:U:N:sarfRSow1tye:k:";
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char short_bitmap_auto_options[]=
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- "-ABCDEFGIQhVXYWZ:vqb:c:i:l:p:m:r:n:x:u:c:d:z:U:N:sa:rfRSow1tye:k:";
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+ "-ABCDEFGIQhVXYWZ:vqb:c:i:l:p:m:n:x:u:c:d:z:U:N:sa:rfRSow1tye:k:";
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struct option long_options[] = {
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{"manage", 0, 0, ManageOpt},
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--
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2.38.1
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