bpf: Use struct_size()

Use struct_size() instead of hand writing it.
This is less verbose and more robust.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/bpf/20240429121323.3818497-1-andriy.shevchenko@linux.intel.com
This commit is contained in:
Andy Shevchenko 2024-04-29 15:13:22 +03:00 • committed by Andrii Nakryiko
commit cb01621b6d