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Commit ad5f19c7 authored by Mikulas Patocka's avatar Mikulas Patocka Committed by Greg Kroah-Hartman
Browse files

dm integrity: fix the maximum number of arguments 



commit 17ffc193cdc6dc7a613d00d8ad47fc1f801b9bf0 upstream.

Advance the maximum number of arguments from 9 to 15 to account for
all potential feature flags that may be supplied.

Linux 4.19 added "meta_device"
(356d9d52) and "recalculate"
(a3fcf725) flags.

Commit 468dfca3 added
"sectors_per_bit" and "bitmap_flush_interval".

Commit 84597a44a9d86ac949900441cea7da0af0f2f473 added
"allow_discards".

And the commit d537858ac8aaf4311b51240893add2fc62003b97 added
"fix_padding".

Signed-off-by: default avatarMikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5caac631

drivers/md/dm-integrity.c

+1 −1
Original line number Diff line number Diff line
@@ -3585,7 +3585,7 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv) 
	unsigned extra_args;

	struct dm_arg_set as;

	static const struct dm_arg _args[] = {

		{0, 9, "Invalid number of feature args"},

		{0, 15, "Invalid number of feature args"},

	};

	unsigned journal_sectors, interleave_sectors, buffer_sectors, journal_watermark, sync_msec;

	bool should_write_sb;