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Commit 7c27d16e authored by Jeremy Compostella's avatar Jeremy Compostella Committed by Amit Pundir
Browse files

ANDROID: dm: android-verity: use name_to_dev_t 



This patch makes android_verity_ctr() parse its block device string
parameter with name_to_dev_t().  It allows the use of less hardware
related block device reference like PARTUUID for instance.

Change-Id: Idb84453e70cc11abd5ef3a0adfbb16f8b5feaf07
Signed-off-by: default avatarJeremy Compostella <jeremy.compostella@intel.com>
parent 47c3ee97

drivers/md/dm-android-verity.c

+6 −9
Original line number Diff line number Diff line
@@ -613,8 +613,7 @@ static int android_verity_ctr(struct dm_target *ti, unsigned argc, char **argv) 
	/* One for specifying number of opt args and one for mode */

	sector_t data_sectors;

	u32 data_block_size;

	unsigned int major, minor,

	no_of_args = VERITY_TABLE_ARGS + 2 + VERITY_TABLE_OPT_FEC_ARGS;

	unsigned int no_of_args = VERITY_TABLE_ARGS + 2 + VERITY_TABLE_OPT_FEC_ARGS;

	struct fec_header uninitialized_var(fec);

	struct fec_ecc_metadata uninitialized_var(ecc);

	char buf[FEC_ARG_LENGTH], *buf_ptr;
@@ -630,13 +629,11 @@ static int android_verity_ctr(struct dm_target *ti, unsigned argc, char **argv) 
	key_id = argv[0];

	strreplace(argv[0], '#', ' ');



	if (sscanf(argv[1], "%u:%u%c", &major, &minor, &dummy) == 2) {

		dev = MKDEV(major, minor);

		if (MAJOR(dev) != major || MINOR(dev) != minor) {

			DMERR("Incorrect bdev major minor number");

	dev = name_to_dev_t(argv[1]);

	if (!dev) {

		DMERR("no dev found for %s", argv[1]);

		handle_error();

			return -EOVERFLOW;

		}

		return -EINVAL;

	}



	DMINFO("key:%s dev:%s", argv[0], argv[1]);