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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-23 20:51:27 -1000 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-23 20:51:27 -1000 |
commit | dab0badc8735f4e8bf07bc56bdeefce91d413924 (patch) | |
tree | 1b7f175d6bffe4ee6d93d1828a730daccf1d77d0 /Documentation | |
parent | 26064dea2dc65c57d44ad37e645ebe47f1c51828 (diff) | |
parent | ce44cd8dfc55110fa7423ceb47a8a70dac65fe89 (diff) | |
download | blackbird-op-linux-dab0badc8735f4e8bf07bc56bdeefce91d413924.tar.gz blackbird-op-linux-dab0badc8735f4e8bf07bc56bdeefce91d413924.zip |
Merge branch 'next-keys' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull keys update from James Morris:
"There's nothing too controversial here:
- Doc fix for keyctl_read().
- time_t -> time64_t replacement.
- Set the module licence on things to prevent tainting"
* 'next-keys' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
pkcs7: Set the module licence to prevent tainting
security: keys: Replace time_t with time64_t for struct key_preparsed_payload
security: keys: Replace time_t/timespec with time64_t
KEYS: fix in-kernel documentation for keyctl_read()
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/security/keys/core.rst | 10 |
1 files changed, 5 insertions, 5 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:: |