Commit 77b8e6fb authored by Mikulas Patocka's avatar Mikulas Patocka
Browse files

dm-integrity: limit MAX_TAG_SIZE to 255 



MAX_TAG_SIZE was 0x1a8 and it may be truncated in the "bi->metadata_size
= ic->tag_size" assignment. We need to limit it to 255.

Signed-off-by: default avatarMikulas Patocka <mpatocka@redhat.com>
parent 1071d560

drivers/md/dm-integrity.c

+1 −1
Original line number Diff line number Diff line
@@ -133,7 +133,7 @@ struct journal_sector { 
	commit_id_t commit_id;

};



#define MAX_TAG_SIZE			(JOURNAL_SECTOR_DATA - JOURNAL_MAC_PER_SECTOR - offsetof(struct journal_entry, last_bytes[MAX_SECTORS_PER_BLOCK]))

#define MAX_TAG_SIZE			255



#define METADATA_PADDING_SECTORS	8