[PATCH] ppc user annotations: sigcontext

sigcontext.regs is a userland pointer

Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/ppc/kernel/signal.c

@@ -632,7 +632,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka,
 	if (__put_user((unsigned long) ka->sa.sa_handler, &sc->handler)
 	    || __put_user(oldset->sig[0], &sc->oldmask)
 	    || __put_user(oldset->sig[1], &sc->_unused[3])
-	    || __put_user((struct pt_regs *)frame, &sc->regs)
+	    || __put_user((struct pt_regs __user *)frame, &sc->regs)
 	    || __put_user(sig, &sc->signal))
 		goto badframe;
 

include/asm-ppc/sigcontext.h

@@ -9,7 +9,7 @@ struct sigcontext {
 	int		signal;
 	unsigned long	handler;
 	unsigned long	oldmask;
-	struct pt_regs 	*regs;
+	struct pt_regs 	__user *regs;
 };
 
 #endif