From 527973c84077eb9273d0b2408655620de2e30136 Mon Sep 17 00:00:00 2001
From: Helge Deller <deller@gmx.de>
Date: Tue, 15 Oct 2013 19:25:46 +0200
Subject: parisc: add kernel audit feature

Implement missing functions for parisc to provide kernel audit feature.

Signed-off-by: Helge Deller <deller@gmx.de>
---
 arch/parisc/kernel/ptrace.c | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

(limited to 'arch/parisc/kernel/ptrace.c')

diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 534abd4936e1..e842ee233db4 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -19,6 +19,7 @@
 #include <linux/security.h>
 #include <linux/compat.h>
 #include <linux/signal.h>
+#include <linux/audit.h>
 
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
@@ -267,11 +268,28 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
 
 long do_syscall_trace_enter(struct pt_regs *regs)
 {
+	long ret = 0;
+
 	if (test_thread_flag(TIF_SYSCALL_TRACE) &&
 	    tracehook_report_syscall_entry(regs))
-		return -1L;
-
-	return regs->gr[20];
+		ret = -1L;
+
+#ifdef CONFIG_64BIT
+	if (!is_compat_task())
+		audit_syscall_entry(AUDIT_ARCH_PARISC64,
+			regs->gr[20],
+			regs->gr[26], regs->gr[25],
+			regs->gr[24], regs->gr[23]);
+	else
+#endif
+		audit_syscall_entry(AUDIT_ARCH_PARISC,
+			regs->gr[20] & 0xffffffff,
+			regs->gr[26] & 0xffffffff,
+			regs->gr[25] & 0xffffffff,
+			regs->gr[24] & 0xffffffff,
+			regs->gr[23] & 0xffffffff);
+
+	return ret ? : regs->gr[20];
 }
 
 void do_syscall_trace_exit(struct pt_regs *regs)
@@ -279,6 +297,8 @@ void do_syscall_trace_exit(struct pt_regs *regs)
 	int stepping = test_thread_flag(TIF_SINGLESTEP) ||
 		test_thread_flag(TIF_BLOCKSTEP);
 
+	audit_syscall_exit(regs);
+
 	if (stepping || test_thread_flag(TIF_SYSCALL_TRACE))
 		tracehook_report_syscall_exit(regs, stepping);
 }
-- 
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