diff options
| author | Casey Schaufler <casey@schaufler-ca.com> | 2021-04-22 17:41:15 +0200 |
|---|---|---|
| committer | James Morris <jamorris@linux.microsoft.com> | 2021-04-22 12:22:10 -0700 |
| commit | 1aea7808372eee4ad01f98e064c88c57f1e94855 (patch) | |
| tree | 9af8673225655cc90571981691ddda9e3dcf3fcf /security/smack/smack.h | |
| parent | afe81f754117dd96853677c5cb815f49abef0ba0 (diff) | |
LSM: Infrastructure management of the superblock
Move management of the superblock->sb_security blob out of the
individual security modules and into the security infrastructure.
Instead of allocating the blobs from within the modules, the modules
tell the infrastructure how much space is required, and the space is
allocated there.
Cc: John Johansen <john.johansen@canonical.com>
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
Reviewed-by: Stephen Smalley <stephen.smalley.work@gmail.com>
Acked-by: Serge Hallyn <serge@hallyn.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210422154123.13086-6-mic@digikod.net
Signed-off-by: James Morris <jamorris@linux.microsoft.com>
Diffstat (limited to 'security/smack/smack.h')
| -rw-r--r-- | security/smack/smack.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/security/smack/smack.h b/security/smack/smack.h index a9768b12716b..7077b18c79ec 100644 --- a/security/smack/smack.h +++ b/security/smack/smack.h @@ -357,6 +357,12 @@ static inline struct smack_known **smack_ipc(const struct kern_ipc_perm *ipc) return ipc->security + smack_blob_sizes.lbs_ipc; } +static inline struct superblock_smack *smack_superblock( + const struct super_block *superblock) +{ + return superblock->s_security + smack_blob_sizes.lbs_superblock; +} + /* * Is the directory transmuting? */ |