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Commit 874d2f61 authored by Milan Broz's avatar Milan Broz Committed by Alasdair G Kergon
Browse files

dm exception store: really fix type lookup 



Fix exception store name handling.

We need to reference exception store by zero terminated string.

Fixes regression introduced in commit f6bd4eb7

Cc: Yi Yang <yi.y.yang@intel.com>
Cc: Jonathan Brassow <jbrassow@redhat.com>
Cc: stable@kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarMilan Broz <mbroz@redhat.com>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
parent 5a4f13fa

drivers/md/dm-exception-store.c

+6 −3
Original line number Original line Diff line number Diff line
@@ -195,7 +195,7 @@ int dm_exception_store_create(struct dm_target *ti, int argc, char **argv, 
			      struct dm_exception_store **store)

			      struct dm_exception_store **store)

{

{

	int r = 0;

	int r = 0;

	struct dm_exception_store_type *type;

	struct dm_exception_store_type *type = NULL;

	struct dm_exception_store *tmp_store;

	struct dm_exception_store *tmp_store;

	char persistent;

	char persistent;
@@ -211,12 +211,15 @@ int dm_exception_store_create(struct dm_target *ti, int argc, char **argv, 
	}

	}





	persistent = toupper(*argv[1]);

	persistent = toupper(*argv[1]);

	if (persistent != 'P' && persistent != 'N') {

	if (persistent == 'P')

		type = get_type("P");

	else if (persistent == 'N')

		type = get_type("N");

	else {

		ti->error = "Persistent flag is not P or N";

		ti->error = "Persistent flag is not P or N";

		return -EINVAL;

		return -EINVAL;

	}

	}





	type = get_type(&persistent);

	if (!type) {

	if (!type) {

		ti->error = "Exception store type not recognised";

		ti->error = "Exception store type not recognised";

		r = -EINVAL;

		r = -EINVAL;