1 files changed, 3 insertions, 19 deletions

diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 60353f5acc48..5f68b220c26d 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -230,6 +230,9 @@ sysn32_waitid(int which, compat_pid_t pid,
         long ret;
         mm_segment_t old_fs = get_fs();
 
+        if (!access_ok(VERIFY_WRITE, uinfo, sizeof(*uinfo)))
+                return -EFAULT;
+
         set_fs (KERNEL_DS);
         ret = sys_waitid(which, pid, uinfo, options,
                          uru ? (struct rusage __user *) &ru : NULL);
@@ -1450,25 +1453,6 @@ sys32_timer_create(u32 clock, struct sigevent32 __user *se32, timer_t __user *ti
         return sys_timer_create(clock, p, timer_id);
 }
 
-asmlinkage long
-sysn32_rt_sigtimedwait(const sigset_t __user *uthese,
-                       siginfo_t __user *uinfo,
-                       const struct compat_timespec __user *uts32,
-                       size_t sigsetsize)
-{
-        struct timespec __user *uts = NULL;
-
-        if (uts32) {
-                struct timespec ts;
-                uts = compat_alloc_user_space(sizeof(struct timespec));
-                if (get_user(ts.tv_sec, &uts32->tv_sec) ||
-                    get_user(ts.tv_nsec, &uts32->tv_nsec) ||
-                    copy_to_user (uts, &ts, sizeof (ts)))
-                        return -EFAULT;
-        }
-        return sys_rt_sigtimedwait(uthese, uinfo, uts, sigsetsize);
-}
-
 save_static_function(sys32_clone);
 __attribute_used__ noinline static int
 _sys32_clone(nabi_no_regargs struct pt_regs regs)