@@ -164,13 +164,8 @@ retry:
memset(raw_key, 0x42, FS_AES_256_XTS_KEY_SIZE);
goto got_key;
}
- memcpy(full_key_descriptor, FS_KEY_DESC_PREFIX,
- FS_KEY_DESC_PREFIX_SIZE);
- sprintf(full_key_descriptor + FS_KEY_DESC_PREFIX_SIZE,
- "%*phN", FS_KEY_DESCRIPTOR_SIZE,
- ctx.master_key_descriptor);
- full_key_descriptor[FS_KEY_DESC_PREFIX_SIZE +
- (2 * FS_KEY_DESCRIPTOR_SIZE)] = '\0';
+ sprintf(full_key_descriptor, FS_KEY_DESC_PREFIX "%*phN",
+ FS_KEY_DESCRIPTOR_SIZE, ctx.master_key_descriptor);
keyring_key = request_key(&key_type_logon, full_key_descriptor, NULL);
if (IS_ERR(keyring_key)) {
res = PTR_ERR(keyring_key);
Signed-off-by: Eric Biggers <ebiggers3@gmail.com> --- fs/crypto/keyinfo.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-)