[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>
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
index a6b4231..2cbb4af 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 @@
}
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);
+}
+