This function doesn't mutate data. Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx> --- block/t10-pi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/block/t10-pi.c +++ b/block/t10-pi.c @@ -239,9 +239,9 @@ static void ext_pi_crc64_generate(struct blk_integrity_iter *iter, } } -static bool ext_pi_ref_escape(u8 *ref_tag) +static bool ext_pi_ref_escape(const u8 ref_tag[6]) { - static u8 ref_escape[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; + static const u8 ref_escape[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; return memcmp(ref_tag, ref_escape, sizeof(ref_escape)) == 0; }