Re: [Patch net-next] net_sched: properly handle failure case of tcf_exts_init()

On Mon, Aug 22, 2016 at 5:11 AM, Jamal Hadi Salim [off-list ref] wrote:

Answered my own question by looking at implementation of kfree();
ignores NULL (unlike free())

Seriously?

Here is what C standard says about free():

The free function causes the space pointed to by ptr to be
deallocated, that is, made available for further allocation. If ptr is
a null pointer, no action occurs.