diff options
| author | Jeremy Compostella <jeremy.compostella@intel.com> | 2016-04-15 13:32:54 +0200 |
|---|---|---|
| committer | Badhri Jagan Sridharan <Badhri@google.com> | 2016-08-10 13:25:28 -0700 |
| commit | a517817c1708dd9d762d37d7dd475d4728a4b34e (patch) | |
| tree | 3ffd671c7eaef357f0d57a1b43cc6ac93356dabd /drivers | |
| parent | 86fd82659f745b5fea48090fe320cb817e199805 (diff) | |
ANDROID: dm: 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: Jeremy Compostella <jeremy.compostella@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/dm-android-verity.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/md/dm-android-verity.c b/drivers/md/dm-android-verity.c index b7e059595f75..9c26cbb5f179 100644 --- a/drivers/md/dm-android-verity.c +++ b/drivers/md/dm-android-verity.c @@ -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"); - handle_error(); - return -EOVERFLOW; - } + dev = name_to_dev_t(argv[1]); + if (!dev) { + DMERR("no dev found for %s", argv[1]); + handle_error(); + return -EINVAL; } DMINFO("key:%s dev:%s", argv[0], argv[1]); |