diff options
Diffstat (limited to 'Documentation/security/keys')
| -rw-r--r-- | Documentation/security/keys/core.rst | 10 | ||||
| -rw-r--r-- | Documentation/security/keys/request-key.rst | 2 |
2 files changed, 6 insertions, 6 deletions
diff --git a/Documentation/security/keys/core.rst b/Documentation/security/keys/core.rst index 1266eeae45f6..9ce7256c6edb 100644 --- a/Documentation/security/keys/core.rst +++ b/Documentation/security/keys/core.rst @@ -628,12 +628,12 @@ The keyctl syscall functions are: defined key type will return its data as is. If a key type does not implement this function, error EOPNOTSUPP will result. - As much of the data as can be fitted into the buffer will be copied to - userspace if the buffer pointer is not NULL. - - On a successful return, the function will always return the amount of data - available rather than the amount copied. + If the specified buffer is too small, then the size of the buffer required + will be returned. Note that in this case, the contents of the buffer may + have been overwritten in some undefined way. + Otherwise, on success, the function will return the amount of data copied + into the buffer. * Instantiate a partially constructed key:: diff --git a/Documentation/security/keys/request-key.rst b/Documentation/security/keys/request-key.rst index b2d16abaa9e9..21e27238cec6 100644 --- a/Documentation/security/keys/request-key.rst +++ b/Documentation/security/keys/request-key.rst @@ -3,7 +3,7 @@ Key Request Service =================== The key request service is part of the key retention service (refer to -Documentation/security/core.rst). This document explains more fully how +Documentation/security/keys/core.rst). This document explains more fully how the requesting algorithm works. The process starts by either the kernel requesting a service by calling |