From: Florian Westphal <f...@strlen.de>
Date: Sat, 1 Aug 2020 16:39:59 +0200
> kernel test robot says:
> net/mptcp/syncookies.c: In function 'mptcp_join_cookie_init':
> include/linux/kernel.h:47:38: warning: division by zero [-Wdiv-by-zero]
> #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) +
> __must_be_array(arr))
>
> I forgot that spinock_t size is 0 on UP, so ARRAY_SIZE cannot be used.
>
> Fixes: 9466a1ccebbe54 ("mptcp: enable JOIN requests even if cookies are in
> use")
> Reported-by: kernel test robot <l...@intel.com>
> Signed-off-by: Florian Westphal <f...@strlen.de>
Applied, thanks.
