X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fv850%2Fkernel%2Fsignal.c;h=17c2d4359b048be7927410674074b623aed702f0;hb=refs%2Fheads%2Fvserver;hp=60098e4f06873ea7df18fd3e6e38814111b5b945;hpb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;p=linux-2.6.git

diff --git a/arch/v850/kernel/signal.c b/arch/v850/kernel/signal.c
index 60098e4f0..17c2d4359 100644
--- 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;
 	}