fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / arch / v850 / kernel / signal.c

diff --git a/arch/v850/kernel/signal.c b/arch/v850/kernel/signal.c
index 60098e4..17c2d43 100644 (file)
--- a/arch/v850/kernel/signal.c
+++ b/arch/v850/kernel/signal.c
@@ -102,7 +102,7 @@ sys_sigaction(int sig, const struct old_sigaction *act,
 
        if (act) {
                old_sigset_t mask;
-               if (verify_area(VERIFY_READ, act, sizeof(*act)) ||
+               if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
                    __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
                    __get_user(new_ka.sa.sa_restorer, &act->sa_restorer))
                        return -EFAULT;
@@ -114,7 +114,7 @@ sys_sigaction(int sig, const struct old_sigaction *act,
        ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
 
        if (!ret && oact) {
-               if (verify_area(VERIFY_WRITE, oact, sizeof(*oact)) ||
+               if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
                    __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
                    __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer))
                        return -EFAULT;
@@ -178,7 +178,7 @@ asmlinkage int sys_sigreturn(struct pt_regs *regs)
        sigset_t set;
        int rval;
 
-       if (verify_area(VERIFY_READ, frame, sizeof(*frame)))
+       if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
                goto badframe;
 
        if (__get_user(set.sig[0], &frame->sc.oldmask)
@@ -209,7 +209,7 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
        stack_t st;
        int rval;
 
-       if (verify_area(VERIFY_READ, frame, sizeof(*frame)))
+       if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
                goto badframe;
 
        if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
@@ -274,7 +274,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size)
        /* Default to using normal stack */
        unsigned long sp = regs->gpr[GPR_SP];
 
-       if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && ! on_sig_stack(sp))
+       if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && ! sas_ss_flags(sp))
                sp = current->sas_ss_sp + current->sas_ss_size;
 
        return (void *)((sp - frame_size) & -8UL);
@@ -427,11 +427,9 @@ give_sigsegv:
  */    
 
 static void
-handle_signal(unsigned long sig, siginfo_t *info, sigset_t *oldset,
-       struct pt_regs * regs)
+handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
+             sigset_t *oldset, struct pt_regs * regs)
 {
-       struct k_sigaction *ka = &current->sighand->action[sig-1];
-
        /* Are we from a system call? */
        if (PT_REGS_SYSCALL (regs)) {
                /* If so, check system call restarting.. */
@@ -464,16 +462,12 @@ handle_signal(unsigned long sig, siginfo_t *info, sigset_t *oldset,
        else
                setup_frame(sig, ka, oldset, regs);
 
-       if (ka->sa.sa_flags & SA_ONESHOT)
-               ka->sa.sa_handler = SIG_DFL;
-
-       if (!(ka->sa.sa_flags & SA_NODEFER)) {
-               spin_lock_irq(&current->sighand->siglock);
-               sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
+       spin_lock_irq(&current->sighand->siglock);
+       sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
+       if (!(ka->sa.sa_flags & SA_NODEFER))
                sigaddset(&current->blocked,sig);
-               recalc_sigpending();
-               spin_unlock_irq(&current->sighand->siglock);
-       }
+       recalc_sigpending();
+       spin_unlock_irq(&current->sighand->siglock);
 }
 
 /*
@@ -489,6 +483,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 {
        siginfo_t info;
        int signr;
+       struct k_sigaction ka;
 
        /*
         * We want the common case to go fast, which
@@ -502,10 +497,10 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
        if (!oldset)
                oldset = &current->blocked;
 
-       signr = get_signal_to_deliver(&info, regs, NULL);
+       signr = get_signal_to_deliver(&info, &ka, regs, NULL);
        if (signr > 0) {
                /* Whee!  Actually deliver the signal.  */
-               handle_signal(signr, &info, oldset, regs);
+               handle_signal(signr, &info, &ka, oldset, regs);
                return 1;
        }