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From 45a2ccfa3bdf4c5b3f8b9e0cc5330fca345b0d26 Mon Sep 17 00:00:00 2001
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From: Peter Rajnoha <prajnoha@redhat.com>
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Date: Thu, 5 May 2022 11:02:32 +0200
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Subject: [PATCH 48/54] toollib: fix segfault when handling selection with
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historical LVs
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When processing historical LVs inside process_each_lv_in_vg for
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selection, we need to use dummy "_historical_lv" for select_match_lv.
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This is because a historical LV is not an actual LV, but only a tiny
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representation with subset of original properties that we recorded
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(name, uuid...).
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To use the same processing functions we use for full-fledged non-historical
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LVs, we need to use the prefilled "_historical_lv" structure which has all
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the other missing properties hard-coded.
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---
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tools/toollib.c | 7 ++++---
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1 file changed, 4 insertions(+), 3 deletions(-)
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diff --git a/tools/toollib.c b/tools/toollib.c
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index 697baee82..01ba03658 100644
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--- a/tools/toollib.c
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+++ b/tools/toollib.c
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@@ -3392,13 +3392,14 @@ int process_each_lv_in_vg(struct cmd_context *cmd, struct volume_group *vg,
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process_lv = 1;
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}
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- process_lv = process_lv && select_match_lv(cmd, handle, vg, lvl->lv) && _select_matches(handle);
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+ _historical_lv.this_glv = glvl->glv;
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+ _historical_lv.name = glvl->glv->historical->name;
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+
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+ process_lv = process_lv && select_match_lv(cmd, handle, vg, &_historical_lv) && _select_matches(handle);
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if (!process_lv)
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continue;
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- _historical_lv.this_glv = glvl->glv;
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- _historical_lv.name = glvl->glv->historical->name;
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log_very_verbose("Processing historical LV %s in VG %s.", glvl->glv->historical->name, vg->name);
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ret = process_single_lv(cmd, &_historical_lv, handle);
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--
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2.34.3
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