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bh=NXHRHevDuDHBmrbi+Qd1cRZtQl8RBWFSvvZJHFj2YC4=; b=h/+CPWf6h3y1fvutaatbAw1QGzG49MOkfSJ8qAjnb++tu/kkZ68VK1y8VY8Kce4GVyPN++ 61UD+Xg5c4lY5K4LH87L6abrdjjbH4NJlD2OmQq6nTksbi6xf/oVcPpnq2kSpU7mbl8s7c at11vfYb8KIByMzs5f2C0CizWs+l7Sk= X-MC-Unique: Q8D8qebyOryfRP1bAv6wPA-1 From: Maxim Levitsky To: qemu-devel@nongnu.org Subject: [PATCH v6 3/3] block: qcow2: remove the created file on initialization error Date: Thu, 17 Dec 2020 19:09:04 +0200 Message-Id: <20201217170904.946013-4-mlevitsk@redhat.com> In-Reply-To: <20201217170904.946013-1-mlevitsk@redhat.com> References: <20201217170904.946013-1-mlevitsk@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mlevitsk@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=63.128.21.124; envelope-from=mlevitsk@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Maxim Levitsky , Alberto Garcia , qemu-block@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" If the qcow initialization fails, we should remove the file if it was already created, to avoid leaving stale files around. We already do this for luks raw images. Signed-off-by: Maxim Levitsky Reviewed-by: Alberto Garcia Reviewed-by: Vladimir Sementsov-Ogievskiy --- block/qcow2.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/block/qcow2.c b/block/qcow2.c index 3a90ef2786..a8638d250a 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -3847,12 +3847,14 @@ static int coroutine_fn qcow2_co_create_opts(BlockD= river *drv, =20 /* Create the qcow2 image (format layer) */ ret =3D qcow2_co_create(create_options, errp); +finish: if (ret < 0) { - goto finish; + bdrv_co_delete_file_noerr(bs); + bdrv_co_delete_file_noerr(data_bs); + } else { + ret =3D 0; } =20 - ret =3D 0; -finish: qobject_unref(qdict); bdrv_unref(bs); bdrv_unref(data_bs); --=20 2.26.2