[PATCH] vdpa: ifcvf: Put device on unsupported feature error
From: Xiong Weimin
Date: Tue Aug 04 2026 - 05:38:56 EST
Route unsupported provisioned features through the common error path after
vdpa_alloc_device() so the allocated device and adapter pointer are
released consistently.
Signed-off-by: Xiong Weimin <xiongweimin@xxxxxxxxxx>
---
drivers/vdpa/ifcvf/ifcvf_main.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index ab6d6ab3b..3cd2c35db 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -724,7 +724,8 @@ static int ifcvf_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name,
if (config->device_features & ~device_features) {
IFCVF_ERR(pdev, "The provisioned features 0x%llx are not supported by this device with features 0x%llx\n",
config->device_features, device_features);
- return -EINVAL;
+ ret = -EINVAL;
+ goto err;
}
device_features &= config->device_features;
}
@@ -748,6 +749,7 @@ static int ifcvf_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name,
return 0;
err:
+ ifcvf_mgmt_dev->adapter = NULL;
put_device(&adapter->vdpa.dev);
return ret;
}
--
2.43.0