Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / arch / arm26 / kernel / signal.c

diff --git a/arch/arm26/kernel/signal.c b/arch/arm26/kernel/signal.c
index 16cf7db..2a48c12 100644 (file)
--- a/arch/arm26/kernel/signal.c
+++ b/arch/arm26/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;
@@ -186,7 +186,7 @@ asmlinkage int sys_sigreturn(struct pt_regs *regs)
 
        frame = (struct sigframe *)regs->ARM_sp;
 
-       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)
            || (_NSIG_WORDS > 1
@@ -231,7 +231,7 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
 
        frame = (struct rt_sigframe *)regs->ARM_sp;
 
-       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)))
                goto badframe;
@@ -454,20 +454,17 @@ handle_signal(unsigned long sig, siginfo_t *info, sigset_t *oldset,
                if (ka->sa.sa_flags & SA_ONESHOT)
                        ka->sa.sa_handler = SIG_DFL;
 
-               if (!(ka->sa.sa_flags & SA_NODEFER)) {
-                       spin_lock_irq(&tsk->sighand->siglock);
-                       sigorsets(&tsk->blocked, &tsk->blocked,
-                                 &ka->sa.sa_mask);
+               spin_lock_irq(&tsk->sighand->siglock);
+               sigorsets(&tsk->blocked, &tsk->blocked,
+                         &ka->sa.sa_mask);
+               if (!(ka->sa.sa_flags & SA_NODEFER))
                        sigaddset(&tsk->blocked, sig);
-                       recalc_sigpending();
-                       spin_unlock_irq(&tsk->sighand->siglock);
-               }
+               recalc_sigpending();
+               spin_unlock_irq(&tsk->sighand->siglock);
                return;
        }
 
-       if (sig == SIGSEGV)
-               ka->sa.sa_handler = SIG_DFL;
-       force_sig(SIGSEGV, tsk);
+       force_sigsegv(sig, tsk);
 }
 
 /*
@@ -483,6 +480,7 @@ static int do_signal(sigset_t *oldset, struct pt_regs *regs, int syscall)
 {
        siginfo_t info;
        int signr;
+       struct k_sigaction ka;
 
        /*
         * We want the common case to go fast, which
@@ -496,7 +494,7 @@ static int do_signal(sigset_t *oldset, struct pt_regs *regs, int syscall)
         if (current->ptrace & PT_SINGLESTEP)
                 ptrace_cancel_bpt(current);
        
-        signr = get_signal_to_deliver(&info, regs, NULL);
+        signr = get_signal_to_deliver(&info, &ka, regs, NULL);
         if (signr > 0) {
                 handle_signal(signr, &info, oldset, regs, syscall);
                 if (current->ptrace & PT_SINGLESTEP)