4 files changed, 36 insertions, 28 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 5e666aad8815..ab9944693f1f 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1656,3 +1656,7 @@ config GENERIC_HARDIRQS
 config GENERIC_IRQ_PROBE
         bool
         default y
+
+config ISA_DMA_API
+        bool
+        default y
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 92f2c39afe27..92e70ca3bff9 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -26,6 +26,7 @@
 #include <linux/smp_lock.h>
 #include <linux/user.h>
 #include <linux/security.h>
+#include <linux/signal.h>
 
 #include <asm/cpu.h>
 #include <asm/fpu.h>
@@ -257,7 +258,7 @@ asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
         case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
         case PTRACE_CONT: { /* restart after signal. */
                 ret = -EIO;
-                if ((unsigned long) data > _NSIG)
+                if (!valid_signal(data))
                         break;
                 if (request == PTRACE_SYSCALL) {
                         set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
@@ -300,25 +301,38 @@ out:
         return ret;
 }
 
+static inline int audit_arch(void)
+{
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+#ifdef CONFIG_MIPS64
+        if (!(current->thread.mflags & MF_32BIT_REGS))
+                return AUDIT_ARCH_MIPSEL64;
+#endif /* MIPS64 */
+        return AUDIT_ARCH_MIPSEL;
+
+#else /* big endian... */
+#ifdef CONFIG_MIPS64
+        if (!(current->thread.mflags & MF_32BIT_REGS))
+                return AUDIT_ARCH_MIPS64;
+#endif /* MIPS64 */
+        return AUDIT_ARCH_MIPS;
+
+#endif /* endian */
+}
+
 /*
  * Notification of system call entry/exit
  * - triggered by current->work.syscall_trace
  */
 asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit)
 {
-        if (unlikely(current->audit_context)) {
-                if (!entryexit)
-                        audit_syscall_entry(current, regs->regs[2],
-                                            regs->regs[4], regs->regs[5],
-                                            regs->regs[6], regs->regs[7]);
-                else
-                        audit_syscall_exit(current, regs->regs[2]);
-        }
+        if (unlikely(current->audit_context) && entryexit)
+                audit_syscall_exit(current, AUDITSC_RESULT(regs->regs[2]), regs->regs[2]);
 
         if (!test_thread_flag(TIF_SYSCALL_TRACE))
-                return;
+                goto out;
         if (!(current->ptrace & PT_PTRACED))
-                return;
+                goto out;
 
         /* The 0x80 provides a way for the tracing parent to distinguish
            between a syscall stop and SIGTRAP delivery */
@@ -334,4 +348,9 @@ asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit)
                 send_sig(current->exit_code, current, 1);
                 current->exit_code = 0;
         }
+ out:
+        if (unlikely(current->audit_context) && !entryexit)
+                audit_syscall_entry(current, audit_arch(), regs->regs[2],
+                                    regs->regs[4], regs->regs[5],
+                                    regs->regs[6], regs->regs[7]);
 }
diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c
index 611dee919d50..eee207969c21 100644
--- a/arch/mips/kernel/ptrace32.c
+++ b/arch/mips/kernel/ptrace32.c
@@ -24,6 +24,7 @@
 #include <linux/smp_lock.h>
 #include <linux/user.h>
 #include <linux/security.h>
+#include <linux/signal.h>
 
 #include <asm/cpu.h>
 #include <asm/fpu.h>
@@ -241,7 +242,7 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
         case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
         case PTRACE_CONT: { /* restart after signal. */
                 ret = -EIO;
-                if ((unsigned int) data > _NSIG)
+                if (!valid_signal(data))
                         break;
                 if (request == PTRACE_SYSCALL) {
                         set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 598bfe7426a2..ae2a1312d4ef 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -374,22 +374,6 @@ asmlinkage int sys_ipc (uint call, int first, int second,
 }
 
 /*
- * Native ABI that is O32 or N64 version
- */
-asmlinkage long sys_shmat(int shmid, char __user *shmaddr,
-                          int shmflg, unsigned long *addr)
-{
-        unsigned long raddr;
-        int err;
-
-        err = do_shmat(shmid, shmaddr, shmflg, &raddr);
-        if (err)
-                return err;
-
-        return put_user(raddr, addr);
-}
-
-/*
  * No implemented yet ...
  */
 asmlinkage int sys_cachectl(char *addr, int nbytes, int op)