[PARISC] fix sys_rt_sigqueueinfo

the parisc affecting portion of the patch was inadvertantly
reverted a while ago.

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
index a6b4231cafa1..2cbb4af15a19 100644
--- a/arch/parisc/kernel/signal32.c
+++ b/arch/parisc/kernel/signal32.c
@@ -1,6 +1,8 @@
 /*    Signal support for 32-bit kernel builds
  *
  *    Copyright (C) 2001 Matthew Wilcox <willy at parisc-linux.org>
+ *    Copyright (C) 2006 Kyle McMartin <kyle at parisc-linux.org>
+ *
  *    Code was mostly borrowed from kernel/signal.c.
  *    See kernel/signal.c for additional Copyrights.
  *
@@ -498,3 +500,22 @@ copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from)
         }
         return err;
 }
+
+asmlinkage long compat_sys_rt_sigqueueinfo(int pid, int sig,
+        struct compat_siginfo __user *uinfo)
+{
+        siginfo_t info;
+
+        if (copy_siginfo_from_user32(&info, uinfo))
+                return -EFAULT;
+
+        /* Not even root can pretend to send signals from the kernel.
+           Nor can they impersonate a kill(), which adds source info.  */
+        if (info.si_code >= 0)
+                return -EPERM;
+        info.si_signo = sig;
+
+        /* POSIX.1b doesn't mention process groups.  */
+        return kill_proc_info(sig, &info, pid);
+}
+