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

From: Florian Westphal
Date: Tue Mar 09 2021 - 06:02:37 EST


Jia-Ju Bai <baijiaju1990@xxxxxxxxx> 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.