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cuse: simplify refcount 

Put extra reference early in cuse_channel_open().

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Miklos Szeredi 2021-04-14 10:40:58 +02:00
parent 8217673d07
commit 3c9c14338c
1 changed files with 3 additions and 7 deletions
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10
fs/fuse/cuse.c
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@ -511,20 +511,18 @@ static int cuse_channel_open(struct inode *inode, struct file *file)
fuse_conn_init(&cc->fc, &cc->fm, file->f_cred->user_ns,
&fuse_dev_fiq_ops, NULL);
cc->fc.release = cuse_fc_release;
fud = fuse_dev_alloc_install(&cc->fc);
if (!fud) {
kfree(cc);
fuse_conn_put(&cc->fc);
if (!fud)
return -ENOMEM;
}
INIT_LIST_HEAD(&cc->list);
cc->fc.release = cuse_fc_release;
cc->fc.initialized = 1;
rc = cuse_send_init(cc);
if (rc) {
fuse_dev_free(fud);
fuse_conn_put(&cc->fc);
return rc;
}
file->private_data = fud;
@ -561,8 +559,6 @@ static int cuse_channel_release(struct inode *inode, struct file *file)
unregister_chrdev_region(cc->cdev->dev, 1);
cdev_del(cc->cdev);
}
/* Base reference is now owned by "fud" */
fuse_conn_put(&cc->fc);
rc = fuse_dev_release(inode, file); /* puts the base reference */