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From: Zhenzhong Duan <zhenzhong.duan@intel.com>
To: qemu-devel@nongnu.org
Cc: alex.williamson@redhat.com, clg@redhat.com,
	eric.auger@redhat.com, chao.p.peng@intel.com,
	Zhenzhong Duan <zhenzhong.duan@intel.com>
Subject: [PATCH v2 08/11] vfio/container: Make vfio_get_device() return bool
Date: Tue,  7 May 2024 14:42:49 +0800	[thread overview]
Message-ID: <20240507064252.457884-9-zhenzhong.duan@intel.com> (raw)
In-Reply-To: <20240507064252.457884-1-zhenzhong.duan@intel.com>

This is to follow the coding standand to return bool if 'Error **'
is used to pass error.

Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
---
 hw/vfio/container.c | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/hw/vfio/container.c b/hw/vfio/container.c
index 5fb4bee082..b02583ea16 100644
--- a/hw/vfio/container.c
+++ b/hw/vfio/container.c
@@ -800,8 +800,8 @@ static void vfio_put_group(VFIOGroup *group)
     g_free(group);
 }
 
-static int vfio_get_device(VFIOGroup *group, const char *name,
-                           VFIODevice *vbasedev, Error **errp)
+static bool vfio_get_device(VFIOGroup *group, const char *name,
+                            VFIODevice *vbasedev, Error **errp)
 {
     g_autofree struct vfio_device_info *info = NULL;
     int fd;
@@ -813,14 +813,14 @@ static int vfio_get_device(VFIOGroup *group, const char *name,
         error_append_hint(errp,
                       "Verify all devices in group %d are bound to vfio-<bus> "
                       "or pci-stub and not already in use\n", group->groupid);
-        return fd;
+        return false;
     }
 
     info = vfio_get_device_info(fd);
     if (!info) {
         error_setg_errno(errp, errno, "error getting device info");
         close(fd);
-        return -1;
+        return false;
     }
 
     /*
@@ -835,7 +835,7 @@ static int vfio_get_device(VFIOGroup *group, const char *name,
             error_setg(errp, "Inconsistent setting of support for discarding "
                        "RAM (e.g., balloon) within group");
             close(fd);
-            return -1;
+            return false;
         }
 
         if (!group->ram_block_discard_allowed) {
@@ -856,7 +856,7 @@ static int vfio_get_device(VFIOGroup *group, const char *name,
 
     vbasedev->reset_works = !!(info->flags & VFIO_DEVICE_FLAGS_RESET);
 
-    return 0;
+    return true;
 }
 
 static void vfio_put_base_device(VFIODevice *vbasedev)
@@ -909,7 +909,6 @@ static bool vfio_legacy_attach_device(const char *name, VFIODevice *vbasedev,
     VFIODevice *vbasedev_iter;
     VFIOGroup *group;
     VFIOContainerBase *bcontainer;
-    int ret;
 
     if (groupid < 0) {
         return false;
@@ -929,8 +928,7 @@ static bool vfio_legacy_attach_device(const char *name, VFIODevice *vbasedev,
             return false;
         }
     }
-    ret = vfio_get_device(group, name, vbasedev, errp);
-    if (ret) {
+    if (!vfio_get_device(group, name, vbasedev, errp)) {
         vfio_put_group(group);
         return false;
     }
-- 
2.34.1



  parent reply	other threads:[~2024-05-07  6:45 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
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 ` Zhenzhong Duan [this message]
2024-05-14 16:01   ` [PATCH v2 08/11] vfio/container: Make vfio_get_device() " 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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