From: Bo Liu <liubo03@inspur.com>
Date: Thu, 7 Jul 2022 03:17:51 +0000 (-0400)
Subject: virtio: Check dev_set_name() return value
X-Git-Tag: v6.1-rc5~611^2~26
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=95bf9798779af166b1d6d184d794834214a1a261;p=platform%2Fkernel%2Flinux-starfive.git

virtio: Check dev_set_name() return value

It's possible that dev_set_name() returns -ENOMEM, catch and handle this.

Signed-off-by: Bo Liu <liubo03@inspur.com>
Message-Id: <20220707031751.4802-1-liubo03@inspur.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
---

diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index 7deeed3..ddd4466 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -428,7 +428,9 @@ int register_virtio_device(struct virtio_device *dev)
 		goto out;
 
 	dev->index = err;
-	dev_set_name(&dev->dev, "virtio%u", dev->index);
+	err = dev_set_name(&dev->dev, "virtio%u", dev->index);
+	if (err)
+		goto out_ida_remove;
 
 	err = virtio_device_of_init(dev);
 	if (err)