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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1750238295; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=HhbfZN+1LloG0UiPtoOvsMQC9s3aCuFvAI0fIJwVjdw=; b=AdbesBra+YJzwXeJpyCQl6Q2C1OdX7SDx/xK7EtQcqZDmFydrZtMzpMHHlgVWlrRszwGXO XrR5sDkIBnBWQTZPv5Q69GSrfBugTnr9w8PmomqFB0WO3qNYtN1GIviZi1AApnA/u9RAbW 13eid/sxbNv1l8Q+/DvcXj1Gi184Dms= X-MC-Unique: U_mNp5n8MrSzk85RCzNQnA-1 X-Mimecast-MFC-AGG-ID: U_mNp5n8MrSzk85RCzNQnA_1750238292 From: Elizabeth Ashurov To: qemu-devel@nongnu.org Cc: Michael Roth , Konstantin Kostiuk , Elizabeth Ashurov Subject: [PATCH v2] qga/vss-win32: Add VSS provider unregistration retry Date: Wed, 18 Jun 2025 12:18:06 +0300 Message-ID: <20250618091806.170110-1-eashurov@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" This commit improves the QGA VSS provider installation flow by attempting t= o unregister the VSS provider if it's already found during installation. This allows for a retry of installation even if = a previous unregistration failed or was not performed. This will prevent inconsistencies between QGA and QGA-VSS versions. Before this commit, QGA can use QGA-VSS from the previous installation. Signed-off-by: Elizabeth Ashurov Reviewed-by: Kostiantyn Kostiuk --- qga/vss-win32/install.cpp | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/qga/vss-win32/install.cpp b/qga/vss-win32/install.cpp index 5cea5bcf74..9fe0dfc384 100644 --- a/qga/vss-win32/install.cpp +++ b/qga/vss-win32/install.cpp @@ -287,9 +287,13 @@ STDAPI COMRegister(void) =20 chk(QGAProviderFind(QGAProviderCount, (void *)&count)); if (count) { - errmsg(E_ABORT, "QGA VSS Provider is already installed"); - qga_debug_end; - return E_ABORT; + qga_debug("QGA VSS Provider is already installed. Attempting to un= register first."); + hr =3D COMUnregister(); + if (FAILED(hr)) { + errmsg(hr, "Failed to unregister existing QGA VSS Provider. Ab= orting installation."); + qga_debug_end; + return E_ABORT; + } } =20 chk(CoCreateInstance(CLSID_COMAdminCatalog, NULL, CLSCTX_INPROC_SERVER, --=20 2.49.0