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-rw-r--r--kernel/auditsc.c46
1 files changed, 6 insertions, 40 deletions
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 4193811d4fe1..74c2ae804ca8 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -795,36 +795,6 @@ void audit_free(struct task_struct *tsk)
audit_free_context(context);
}
-/* Compute a serial number for the audit record. Audit records are
- * written to user-space as soon as they are generated, so a complete
- * audit record may be written in several pieces. The timestamp of the
- * record and this serial number are used by the user-space tools to
- * determine which pieces belong to the same audit record. The
- * (timestamp,serial) tuple is unique for each syscall and is live from
- * syscall entry to syscall exit.
- *
- * Atomic values are only guaranteed to be 24-bit, so we count down.
- *
- * NOTE: Another possibility is to store the formatted records off the
- * audit context (for those records that have a context), and emit them
- * all at syscall exit. However, this could delay the reporting of
- * significant errors until syscall exit (or never, if the system
- * halts). */
-static inline unsigned int audit_serial(void)
-{
- static atomic_t serial = ATOMIC_INIT(0xffffff);
- unsigned int a, b;
-
- do {
- a = atomic_read(&serial);
- if (atomic_dec_and_test(&serial))
- atomic_set(&serial, 0xffffff);
- b = atomic_read(&serial);
- } while (b != a - 1);
-
- return 0xffffff - b;
-}
-
/* Fill in audit context at syscall entry. This only happens if the
* audit context was created when the task was created and the state or
* filters demand the audit context be built. If the state from the
@@ -1042,17 +1012,13 @@ void audit_inode(const char *name, const struct inode *inode)
context->names[idx].rdev = inode->i_rdev;
}
-int audit_get_stamp(struct audit_context *ctx,
- struct timespec *t, unsigned int *serial)
+void auditsc_get_stamp(struct audit_context *ctx,
+ struct timespec *t, unsigned int *serial)
{
- if (ctx) {
- t->tv_sec = ctx->ctime.tv_sec;
- t->tv_nsec = ctx->ctime.tv_nsec;
- *serial = ctx->serial;
- ctx->auditable = 1;
- return 1;
- }
- return 0;
+ t->tv_sec = ctx->ctime.tv_sec;
+ t->tv_nsec = ctx->ctime.tv_nsec;
+ *serial = ctx->serial;
+ ctx->auditable = 1;
}
int audit_set_loginuid(struct task_struct *task, uid_t loginuid)