From: "Cédric Le Goater" <clg@redhat.com>
To: Zhenzhong Duan <zhenzhong.duan@intel.com>, qemu-devel@nongnu.org
Cc: alex.williamson@redhat.com, eric.auger@redhat.com, chao.p.peng@intel.com
Subject: Re: [PATCH v2 02/11] vfio/pci: Use g_autofree in iommufd_cdev_get_info_iova_range()
Date: Tue, 14 May 2024 17:45:14 +0200 [thread overview]
Message-ID: <aafefffb-0024-4739-9e3e-6664e5df6a4a@redhat.com> (raw)
In-Reply-To: <20240507064252.457884-3-zhenzhong.duan@intel.com>
On 5/7/24 08:42, Zhenzhong Duan wrote:
> 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 <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Thanks,
C.
> ---
> 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(VFIOIOMMUFDContainer *container,
> uint32_t ioas_id, Error **errp)
> {
> VFIOContainerBase *bcontainer = &container->bcontainer;
> - struct iommu_ioas_iova_ranges *info;
> + g_autofree struct iommu_ioas_iova_ranges *info = NULL;
> struct iommu_iova_range *iova_ranges;
> int ret, sz, fd = container->be->fd;
>
> @@ -291,12 +291,10 @@ static int iommufd_cdev_get_info_iova_range(VFIOIOMMUFDContainer *container,
> }
> bcontainer->pgsizes = info->out_iova_alignment;
>
> - g_free(info);
> return 0;
>
> error:
> ret = -errno;
> - g_free(info);
> error_setg_errno(errp, errno, "Cannot get IOVA ranges");
> return ret;
> }
next prev parent reply other threads:[~2024-05-14 15:46 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-07 6:42 [PATCH v2 00/11] VFIO: misc cleanups Zhenzhong Duan
2024-05-07 6:42 ` [PATCH v2 01/11] vfio/pci: Use g_autofree in vfio_realize Zhenzhong Duan
2024-05-14 15:45 ` Cédric Le Goater
2024-05-07 6:42 ` [PATCH v2 02/11] vfio/pci: Use g_autofree in iommufd_cdev_get_info_iova_range() Zhenzhong Duan
2024-05-14 15:45 ` Cédric Le Goater [this message]
2024-05-07 6:42 ` [PATCH v2 03/11] vfio: Make VFIOIOMMUClass::attach_device() and its wrapper return bool Zhenzhong Duan
2024-05-07 7:27 ` Cédric Le Goater
2024-05-07 7:34 ` Duan, Zhenzhong
2024-05-15 16:28 ` Cédric Le Goater
2024-05-07 6:42 ` [PATCH v2 04/11] vfio: Make VFIOIOMMUClass::setup() " Zhenzhong Duan
2024-05-07 6:42 ` [PATCH v2 05/11] vfio: Make VFIOIOMMUClass::add_window() and its wrapper " Zhenzhong Duan
2024-05-07 6:42 ` [PATCH v2 06/11] vfio/container: Make vfio_connect_container() " Zhenzhong Duan
2024-05-14 16:00 ` Cédric Le Goater
2024-05-07 6:42 ` [PATCH v2 07/11] vfio/container: Make vfio_set_iommu() " Zhenzhong Duan
2024-05-14 16:00 ` Cédric Le Goater
2024-05-07 6:42 ` [PATCH v2 08/11] vfio/container: Make vfio_get_device() " Zhenzhong Duan
2024-05-14 16:01 ` Cédric Le Goater
2024-05-07 6:42 ` [PATCH v2 09/11] vfio/iommufd: Make iommufd_cdev_*() " Zhenzhong Duan
2024-05-14 16:02 ` Cédric Le Goater
2024-05-07 6:42 ` [PATCH v2 10/11] vfio/cpr: Make vfio_cpr_register_container() " Zhenzhong Duan
2024-05-14 16:02 ` Cédric Le Goater
2024-05-07 6:42 ` [PATCH v2 11/11] backends/iommufd: Make iommufd_backend_*() " Zhenzhong Duan
2024-05-14 16:03 ` Cédric Le Goater
2024-05-14 3:46 ` [PATCH v2 00/11] VFIO: misc cleanups Duan, Zhenzhong
2024-05-16 16:30 ` Cédric Le Goater
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