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Add debug message for activated cipher_null device.

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This commit is contained in:
Ondrej Kozina
2021-02-12 11:37:43 +01:00
parent 01f896711e
commit 42479bd1df
1 changed files with 8 additions and 0 deletions
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8
lib/libdevmapper.c
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@@ -1666,6 +1666,14 @@ int dm_create_device(struct crypt_device *cd, const char *name,
r = _dm_create_device(cd, name, type, dmd); r = _dm_create_device(cd, name, type, dmd);
} }
/*
* Print warning if activating dm-crypt cipher_null device unless it's reencryption helper or
* keyslot encryption helper device (LUKS1 cipher_null devices).
*/
if (!r && !(dmd->flags & CRYPT_ACTIVATE_PRIVATE) && single_segment(dmd) && dmd->segment.type == DM_CRYPT &&
crypt_is_cipher_null(dmd->segment.u.crypt.cipher))
log_dbg(cd, "Activated dm-crypt device with cipher_null. Device is not encrypted.");
if (r == -EINVAL && if (r == -EINVAL &&
dmd->flags & (CRYPT_ACTIVATE_SAME_CPU_CRYPT|CRYPT_ACTIVATE_SUBMIT_FROM_CRYPT_CPUS) && dmd->flags & (CRYPT_ACTIVATE_SAME_CPU_CRYPT|CRYPT_ACTIVATE_SUBMIT_FROM_CRYPT_CPUS) &&
!(dmt_flags & (DM_SAME_CPU_CRYPT_SUPPORTED|DM_SUBMIT_FROM_CRYPT_CPUS_SUPPORTED))) !(dmt_flags & (DM_SAME_CPU_CRYPT_SUPPORTED|DM_SUBMIT_FROM_CRYPT_CPUS_SUPPORTED)))