virtio-fs: fix incorrect check for fsvq->kobj

In virtio_fs_add_queues_sysfs(), the code incorrectly checks fs->mqs_kobj
after calling kobject_create_and_add(). Change the check to fsvq->kobj
(fs->mqs_kobj -> fsvq->kobj) to ensure the per-queue kobject is
successfully created.

Fixes: 87cbdc396a31 ("virtio_fs: add sysfs entries for queue information")
Signed-off-by: Alok Tiwari <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Reviewed-by: Stefan Hajnoczi <[e-mail]>
Signed-off-by: Christian Brauner <[e-mail]>

fs/fuse/virtio_fs.c

···
 
 		sprintf(buff, "%d", i);
 		fsvq->kobj = kobject_create_and_add(buff, fs->mqs_kobj);
-		if (!fs->mqs_kobj) {
+		if (!fsvq->kobj) {
 			ret = -ENOMEM;
 			goto out_del;
 		}