Subject: Re: [PATCH] net: bridge: fix error return code of do_update_counters()

From: Florian Westphal <[email-masked]>
Date: Tue, 9 Mar 2021 12:01:21 +0100

Jia-Ju Bai <[email-masked]> wrote:
> When find_table_lock() returns NULL to t, no error return code of
> do_update_counters() is assigned.

Its -ENOENT.

>  	t = find_table_lock(net, name, &ret, &ebt_mutex);
                                       ^^^^^

ret is passed to find_table_lock, which passes it to
find_inlist_lock_noload() which will set *ret = -ENOENT
for NULL case.