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a="22240225" X-IronPort-AV: E=Sophos;i="6.07,260,1708416000"; d="scan'208";a="22240225" X-CSE-ConnectionGUID: A85EBLSHSg2Augsdg1I/8A== X-CSE-MsgGUID: mLwk8lxNSZiLWluvmTyuqA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,260,1708416000"; d="scan'208";a="28407510" From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, eric.auger@redhat.com, chao.p.peng@intel.com, Zhenzhong Duan Subject: [PATCH v2 02/11] vfio/pci: Use g_autofree in iommufd_cdev_get_info_iova_range() Date: Tue, 7 May 2024 14:42:43 +0800 Message-Id: <20240507064252.457884-3-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240507064252.457884-1-zhenzhong.duan@intel.com> References: <20240507064252.457884-1-zhenzhong.duan@intel.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=192.198.163.10; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -49 X-Spam_score: -5.0 X-Spam_bar: ----- X-Spam_report: (-5.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.581, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: 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 @intel.com) X-ZM-MESSAGEID: 1715064357512100007 Content-Type: text/plain; charset="utf-8" Local pointer info is freed before return from iommufd_cdev_get_info_iova_range(). Use 'g_autofree' to avoid the g_free() calls. Signed-off-by: Zhenzhong Duan Reviewed-by: C=C3=A9dric Le Goater --- hw/vfio/iommufd.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index 8827ffe636..c644127972 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -258,7 +258,7 @@ static int iommufd_cdev_get_info_iova_range(VFIOIOMMUFD= Container *container, uint32_t ioas_id, Error **errp) { VFIOContainerBase *bcontainer =3D &container->bcontainer; - struct iommu_ioas_iova_ranges *info; + g_autofree struct iommu_ioas_iova_ranges *info =3D NULL; struct iommu_iova_range *iova_ranges; int ret, sz, fd =3D container->be->fd; =20 @@ -291,12 +291,10 @@ static int iommufd_cdev_get_info_iova_range(VFIOIOMMU= FDContainer *container, } bcontainer->pgsizes =3D info->out_iova_alignment; =20 - g_free(info); return 0; =20 error: ret =3D -errno; - g_free(info); error_setg_errno(errp, errno, "Cannot get IOVA ranges"); return ret; } --=20 2.34.1