Commit 160f99db authored by JeongHyeon Lee's avatar JeongHyeon Lee Committed by Mike Snitzer
Browse files

dm verity: fix DM_VERITY_OPTS_MAX value 



Three optional parameters must be accepted at once in a DM verity table, e.g.:
  (verity_error_handling_mode) (ignore_zero_block) (check_at_most_once)
Fix this to be possible by incrementing DM_VERITY_OPTS_MAX.

Signed-off-by: default avatarJeongHyeon Lee <jhs2.lee@samsung.com>
Fixes: 843f38d3 ("dm verity: add 'check_at_most_once' option to only validate hashes once")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent 0d02ec6b

drivers/md/dm-verity-target.c

+1 −1
Original line number Diff line number Diff line
@@ -34,7 +34,7 @@ 
#define DM_VERITY_OPT_IGN_ZEROES	"ignore_zero_blocks"

#define DM_VERITY_OPT_AT_MOST_ONCE	"check_at_most_once"



#define DM_VERITY_OPTS_MAX		(2 + DM_VERITY_OPTS_FEC + \

#define DM_VERITY_OPTS_MAX		(3 + DM_VERITY_OPTS_FEC + \

					 DM_VERITY_ROOT_HASH_VERIFICATION_OPTS)



static unsigned dm_verity_prefetch_cluster = DM_VERITY_DEFAULT_PREFETCH_SIZE;