36 lines
1.0 KiB
Diff
36 lines
1.0 KiB
Diff
From 2153e7eb25d0ffd2b4af0776df8e089e7c503687 Mon Sep 17 00:00:00 2001
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From: huangkai <huangkai101@huawei.com>
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Date: Tue, 2 Aug 2022 16:26:13 +0800
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Subject: [PATCH 16/22] virNWFilterObjListFree: Prevent null pointer derefernce
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Allow virNWFilterObjListFree to be called with a NULL argument.
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This enables a later patch to use virNWFilterObjListFree as a
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cleanup function safely, as it is a no-op if virNWFilterObj was
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not yet initialized.
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Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
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Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
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---
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src/conf/virnwfilterobj.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/src/conf/virnwfilterobj.c b/src/conf/virnwfilterobj.c
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index c9e224061d..cc59c0ea9d 100644
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--- a/src/conf/virnwfilterobj.c
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+++ b/src/conf/virnwfilterobj.c
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@@ -108,6 +108,11 @@ void
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virNWFilterObjListFree(virNWFilterObjListPtr nwfilters)
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{
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size_t i;
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+
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+ if (!nwfilters) {
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+ return;
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+ }
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+
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for (i = 0; i < nwfilters->count; i++)
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virNWFilterObjFree(nwfilters->objs[i]);
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VIR_FREE(nwfilters->objs);
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--
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2.33.0
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