keys, dns: Use kmalloc_flex to improve dns_resolver_preparse

Use kmalloc_flex() when allocating a new 'struct user_key_payload' in
dns_resolver_preparse() to replace the open-coded size arithmetic.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Link: https://patch.msgid.link/20260226214930.785423-3-thorsten.blum@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Thorsten Blum 2026-02-26 22:49:29 +01:00 • committed by Jakub Kicinski
commit a9a13c7379