audit: Simplify and correct audit_log_capset

- Always report the current process as capset now always only works on
  the current process.  This prevents reporting 0 or a random pid in
  a random pid namespace.

- Don't bother to pass the pid as is available.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
(cherry picked from commit bcc85f0af31af123e32858069eb2ad8f39f90e67)
(cherry picked from commit f911cac4556a7a23e0b3ea850233d13b32328692)

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
[eparis: fix build error when audit disabled]
Signed-off-by: Eric Paris <eparis@redhat.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/include/linux/audit.h b/include/linux/audit.h
index a40641954c29..c9a66c6f1307 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -220,7 +220,7 @@ extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
 extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
                                   const struct cred *new,
                                   const struct cred *old);
-extern void __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old);
+extern void __audit_log_capset(const struct cred *new, const struct cred *old);
 extern void __audit_mmap_fd(int fd, int flags);
 
 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
@@ -285,11 +285,11 @@ static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
         return 0;
 }
 
-static inline void audit_log_capset(pid_t pid, const struct cred *new,
+static inline void audit_log_capset(const struct cred *new,
                                    const struct cred *old)
 {
         if (unlikely(!audit_dummy_context()))
-                __audit_log_capset(pid, new, old);
+                __audit_log_capset(new, old);
 }
 
 static inline void audit_mmap_fd(int fd, int flags)
@@ -397,8 +397,8 @@ static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
 {
         return 0;
 }
-static inline void audit_log_capset(pid_t pid, const struct cred *new,
-                                   const struct cred *old)
+static inline void audit_log_capset(const struct cred *new,
+                                    const struct cred *old)
 { }
 static inline void audit_mmap_fd(int fd, int flags)
 { }