diff options
| author | Casey Schaufler <casey@schaufler-ca.com> | 2018-09-21 17:17:59 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2019-01-08 13:18:44 -0800 |
| commit | 69b5a44a95bb86f3ad8a50bf2e354057ec450082 (patch) | |
| tree | 64a3c7a0e942b15a16d387f474409ebb48761558 /security/apparmor/include | |
| parent | 3d252529480c68bfd6a6774652df7c8968b28e41 (diff) | |
| download | linux-69b5a44a95bb86f3ad8a50bf2e354057ec450082.tar.bz2 | |
AppArmor: Abstract use of cred security blob
Don't use the cred->security pointer directly.
Provide a helper function that provides the security blob pointer.
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
[kees: adjusted for ordered init series]
Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'security/apparmor/include')
| -rw-r--r-- | security/apparmor/include/cred.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/security/apparmor/include/cred.h b/security/apparmor/include/cred.h index 265ae6641a06..a757370f2a0c 100644 --- a/security/apparmor/include/cred.h +++ b/security/apparmor/include/cred.h @@ -23,8 +23,22 @@ #include "policy_ns.h" #include "task.h" -#define cred_label(X) ((X)->security) +static inline struct aa_label *cred_label(const struct cred *cred) +{ + struct aa_label **blob = cred->security; + + AA_BUG(!blob); + return *blob; +} +static inline void set_cred_label(const struct cred *cred, + struct aa_label *label) +{ + struct aa_label **blob = cred->security; + + AA_BUG(!blob); + *blob = label; +} /** * aa_cred_raw_label - obtain cred's label |