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ANDROID: android-verity: Fix broken parameter handling.

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android-verity documentation states that the target expectets
the key, followed by the backing device on the commandline as follows

  "dm=system none ro,0 1 android-verity <public-key-id> <backing-partition>"

However, the code actually expects the backing device as the first
parameter. Fix that.

Bug: 72722987

Change-Id: Ibd56c0220f6003bdfb95aa2d611f787e75a65c97
Signed-off-by: Sandeep Patil <sspatil@google.com>
This commit is contained in:
Sandeep Patil 2018-07-24 16:59:40 -07:00 committed by Amit Pundir
parent 1a8ef4e836
commit 0935339831
1 changed files with 5 additions and 5 deletions
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10
drivers/md/dm-android-verity.c
View file

@ -693,16 +693,16 @@ static int android_verity_ctr(struct dm_target *ti, unsigned argc, char **argv)
handle_error();
return -EINVAL;
}
} else if (argc == 2)
key_id = argv[1];
else {
target_device = argv[0];
} else if (argc == 2) {
key_id = argv[0];
target_device = argv[1];
} else {
DMERR("Incorrect number of arguments");
handle_error();
return -EINVAL;
}
target_device = argv[0];
dev = name_to_dev_t(target_device);
if (!dev) {
DMERR("no dev found for %s", target_device);