[PATCH] drop task argument of audit_syscall_{entry,exit}

[linux-2.6-omap-h63xx.git] / arch / powerpc / kernel / signal_64.c

diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 497a5d3df359e5911b61110632b79ee540ff3095..27f65b95184d39eadfae53a877afd3e1ba6caafe 100644 (file)
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -1,6 +1,4 @@
 /*
- *  linux/arch/ppc64/kernel/signal.c
- *
  *  PowerPC version 
  *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
  *
@@ -35,6 +33,7 @@
 #include <asm/pgtable.h>
 #include <asm/unistd.h>
 #include <asm/cacheflush.h>
+#include <asm/syscalls.h>
 #include <asm/vdso.h>
 
 #define DEBUG_SIG 0
@@ -118,14 +117,7 @@ static long setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
        err |= __put_user(0, &sc->v_regs);
 #endif /* CONFIG_ALTIVEC */
        err |= __put_user(&sc->gp_regs, &sc->regs);
-       if (!FULL_REGS(regs)) {
-               /* Zero out the unsaved GPRs to avoid information
-                  leak, and set TIF_SAVE_NVGPRS to ensure that the
-                  registers do actually get saved later. */
-               memset(&regs->gpr[14], 0, 18 * sizeof(unsigned long));
-               set_thread_flag(TIF_SAVE_NVGPRS);
-               current_thread_info()->nvgprs_frame = &sc->gp_regs;
-       }
+       WARN_ON(!FULL_REGS(regs));
        err |= __copy_to_user(&sc->gp_regs, regs, GP_REGS_SIZE);
        err |= __copy_to_user(&sc->fp_regs, &current->thread.fpr, FP_REGS_SIZE);
        err |= __put_user(signr, &sc->signal);
@@ -220,7 +212,7 @@ static inline void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs
         /* Default to using normal stack */
         newsp = regs->gpr[1];
 
-       if (ka->sa.sa_flags & SA_ONSTACK) {
+       if ((ka->sa.sa_flags & SA_ONSTACK) && current->sas_ss_size) {
                if (! on_sig_stack(regs->gpr[1]))
                        newsp = (current->sas_ss_sp + current->sas_ss_size);
        }