Re: [PATCH] fs/fuse/virtio_fs: Fix a potential memory allocation failure

[Connor Kuehl]

On 3/24/21 7:38 AM, zhouchuangao wrote:
> Allocate memory for struct fuse_conn may fail, we should not jump to
> out_err to kfree(fc).

Why not? If fc's allocation fails then it is NULL and calling kfree() on 
a NULL pointer is a noop[1].

Connor

[1] 
https://www.kernel.org/doc/html/latest/core-api/mm-api.html?highlight=kfree#c.kfree