If the flag SB_FLAG_RECALCULATE is present in the superblock, but it was
not specified on the command line (i.e. ic->recalculate_flag is false),
dm-integrity would return invalid table line - the reported number of
arguments would not match the real number.
This patch fixes the argument mismatch.
Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx>
Reported-by: Ondrej Kozina <okozina@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # v5.2+
Fixes: 468dfca38b1a ("dm integrity: add a bitmap mode")
---
drivers/md/dm-integrity.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6/drivers/md/dm-integrity.c
===================================================================
--- linux-2.6.orig/drivers/md/dm-integrity.c 2020-02-14 17:19:16.000000000 +0100
+++ linux-2.6/drivers/md/dm-integrity.c 2020-02-17 13:58:05.000000000 +0100
@@ -2982,7 +2982,7 @@ static void dm_integrity_status(struct d
DMEMIT(" meta_device:%s", ic->meta_dev->name);
if (ic->sectors_per_block != 1)
DMEMIT(" block_size:%u", ic->sectors_per_block << SECTOR_SHIFT);
- if (ic->recalculate_flag)
+ if (ic->sb->flags & cpu_to_le32(SB_FLAG_RECALCULATING))
DMEMIT(" recalculate");
DMEMIT(" journal_sectors:%u", ic->initial_sectors - SB_SECTORS);
DMEMIT(" interleave_sectors:%u", 1U << ic->sb->log2_interleave_sectors);
--
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