From: zhengbin <zhengbi...@huawei.com> [ Upstream commit 9ad09b1976c562061636ff1e01bfc3a57aebe56b ]
If cuse_send_init fails, need to fuse_conn_put cc->fc. cuse_channel_open->fuse_conn_init->refcount_set(&fc->count, 1) ->fuse_dev_alloc->fuse_conn_get ->fuse_dev_free->fuse_conn_put Fixes: cc080e9e9be1 ("fuse: introduce per-instance fuse_dev structure") Reported-by: Hulk Robot <hul...@huawei.com> Signed-off-by: zhengbin <zhengbi...@huawei.com> Signed-off-by: Miklos Szeredi <mszer...@redhat.com> Signed-off-by: Sasha Levin <sas...@kernel.org> --- fs/fuse/cuse.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c index bab7a0db81dd4..f3b7208846506 100644 --- a/fs/fuse/cuse.c +++ b/fs/fuse/cuse.c @@ -519,6 +519,7 @@ static int cuse_channel_open(struct inode *inode, struct file *file) rc = cuse_send_init(cc); if (rc) { fuse_dev_free(fud); + fuse_conn_put(&cc->fc); return rc; } file->private_data = fud; -- 2.20.1