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Mon, 09 Mar 2026 08:09:12 -0700 (PDT) X-Received: by 2002:a05:600c:8719:b0:485:40c6:f507 with SMTP id 5b1f17b1804b1-48540c6f66amr16943385e9.30.1773068951608; Mon, 09 Mar 2026 08:09:11 -0700 (PDT) From: Hanna Czenczek To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, Hanna Czenczek , Kevin Wolf , Brian Song Subject: [PATCH v5 02/25] fuse: Ensure init clean-up even with error_fatal Date: Mon, 9 Mar 2026 16:08:33 +0100 Message-ID: <20260309150856.26800-3-hreitz@redhat.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260309150856.26800-1-hreitz@redhat.com> References: <20260309150856.26800-1-hreitz@redhat.com> MIME-Version: 1.0 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=170.10.129.124; envelope-from=hreitz@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.819, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.903, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1773068998609154100 Content-Type: text/plain; charset="utf-8" When exports are created on the command line (with the storage daemon), errp is going to point to error_fatal. Without ERRP_GUARD, we would exit immediately when *errp is set, i.e. skip the clean-up code under the `fail` label. Use ERRP_GUARD so we always run that code. As far as I know, this has no actual impact right now[1], but it is still better to make this right. [1] Not cleaning up the mount point is the only thing I can imagine would be problematic, but that is the last thing we attempt, so if it fails, it will clean itself up. Reviewed-by: Stefan Hajnoczi Signed-off-by: Hanna Czenczek --- block/export/fuse.c | 1 + 1 file changed, 1 insertion(+) diff --git a/block/export/fuse.c b/block/export/fuse.c index cea9de61f1..2ed22c6b2f 100644 --- a/block/export/fuse.c +++ b/block/export/fuse.c @@ -119,6 +119,7 @@ static int fuse_export_create(BlockExport *blk_exp, BlockExportOptions *blk_exp_args, Error **errp) { + ERRP_GUARD(); /* ensure clean-up even with error_fatal */ FuseExport *exp =3D container_of(blk_exp, FuseExport, common); BlockExportOptionsFuse *args =3D &blk_exp_args->u.fuse; int ret; --=20 2.53.0