From 833c5a42e28beeefa1f9bd476a63fe8050c1e8ca Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Wed, 11 Nov 2020 17:22:32 +0100 Subject: virtiofs: clean up error handling in virtio_fs_get_tree() Avoid duplicating error cleanup. Signed-off-by: Miklos Szeredi --- fs/fuse/virtio_fs.c | 25 ++++++++++++------------- 1 file changed, 12 insertions(+), 13 deletions(-) (limited to 'fs/fuse') diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c index 62d89b9c30db..8868ac31a3c0 100644 --- a/fs/fuse/virtio_fs.c +++ b/fs/fuse/virtio_fs.c @@ -1420,22 +1420,14 @@ static int virtio_fs_get_tree(struct fs_context *fsc) return -EINVAL; } + err = -ENOMEM; fc = kzalloc(sizeof(struct fuse_conn), GFP_KERNEL); - if (!fc) { - mutex_lock(&virtio_fs_mutex); - virtio_fs_put(fs); - mutex_unlock(&virtio_fs_mutex); - return -ENOMEM; - } + if (!fc) + goto out_err; fm = kzalloc(sizeof(struct fuse_mount), GFP_KERNEL); - if (!fm) { - mutex_lock(&virtio_fs_mutex); - virtio_fs_put(fs); - mutex_unlock(&virtio_fs_mutex); - kfree(fc); - return -ENOMEM; - } + if (!fm) + goto out_err; fuse_conn_init(fc, fm, get_user_ns(current_user_ns()), &virtio_fs_fiq_ops, fs); @@ -1468,6 +1460,13 @@ static int virtio_fs_get_tree(struct fs_context *fsc) WARN_ON(fsc->root); fsc->root = dget(sb->s_root); return 0; + +out_err: + kfree(fc); + mutex_lock(&virtio_fs_mutex); + virtio_fs_put(fs); + mutex_unlock(&virtio_fs_mutex); + return err; } static const struct fs_context_operations virtio_fs_context_ops = { -- cgit v1.2.3