m68k: Use get_signal() signal_setup_done()

Use the more generic functions get_signal() signal_setup_done()
for signal delivery.

Signed-off-by: Richard Weinberger <richard@nod.at>

diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c
index 57fd286..c8e6fa8 100644 (file)
--- a/arch/m68k/kernel/signal.c
+++ b/arch/m68k/kernel/signal.c
@@ -850,23 +850,23 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size)
        return (void __user *)((usp - frame_size) & -8UL);
 }
 
-static int setup_frame (int sig, struct k_sigaction *ka,
-                        sigset_t *set, struct pt_regs *regs)
+static int setup_frame(struct ksignal *ksig, sigset_t *set,
+                       struct pt_regs *regs)
 {
        struct sigframe __user *frame;
        int fsize = frame_extra_sizes(regs->format);
        struct sigcontext context;
-       int err = 0;
+       int err = 0, sig = ksig->sig;
 
        if (fsize < 0) {
 #ifdef DEBUG
                printk ("setup_frame: Unknown frame format %#x\n",
                        regs->format);
 #endif
-               goto give_sigsegv;
+               return -EFAULT;
        }
 
-       frame = get_sigframe(ka, regs, sizeof(*frame) + fsize);
+       frame = get_sigframe(&ksig->ka, regs, sizeof(*frame) + fsize);
 
        if (fsize)
                err |= copy_to_user (frame + 1, regs + 1, fsize);
@@ -899,7 +899,7 @@ static int setup_frame (int sig, struct k_sigaction *ka,
 #endif
 
        if (err)
-               goto give_sigsegv;
+               return -EFAULT;
 
        push_cache ((unsigned long) &frame->retcode);
 
@@ -908,7 +908,7 @@ static int setup_frame (int sig, struct k_sigaction *ka,
         * to destroy is successfully copied to sigframe.
         */
        wrusp ((unsigned long) frame);
-       regs->pc = (unsigned long) ka->sa.sa_handler;
+       regs->pc = (unsigned long) ksig->ka.sa.sa_handler;
        adjustformat(regs);
 
        /*
@@ -934,28 +934,24 @@ static int setup_frame (int sig, struct k_sigaction *ka,
                tregs->sr = regs->sr;
        }
        return 0;
-
-give_sigsegv:
-       force_sigsegv(sig, current);
-       return err;
 }
 
-static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info,
-                           sigset_t *set, struct pt_regs *regs)
+static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
+                          struct pt_regs *regs)
 {
        struct rt_sigframe __user *frame;
        int fsize = frame_extra_sizes(regs->format);
-       int err = 0;
+       int err = 0, sig = ksig->sig;
 
        if (fsize < 0) {
 #ifdef DEBUG
                printk ("setup_frame: Unknown frame format %#x\n",
                        regs->format);
 #endif
-               goto give_sigsegv;
+               return -EFAULT;
        }
 
-       frame = get_sigframe(ka, regs, sizeof(*frame));
+       frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
 
        if (fsize)
                err |= copy_to_user (&frame->uc.uc_extra, regs + 1, fsize);
@@ -968,7 +964,7 @@ static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info,
                          &frame->sig);
        err |= __put_user(&frame->info, &frame->pinfo);
        err |= __put_user(&frame->uc, &frame->puc);
-       err |= copy_siginfo_to_user(&frame->info, info);
+       err |= copy_siginfo_to_user(&frame->info, &ksig->info);
 
        /* Create the ucontext.  */
        err |= __put_user(0, &frame->uc.uc_flags);
@@ -996,7 +992,7 @@ static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info,
 #endif /* CONFIG_MMU */
 
        if (err)
-               goto give_sigsegv;
+               return -EFAULT;
 
        push_cache ((unsigned long) &frame->retcode);
 
@@ -1005,7 +1001,7 @@ static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info,
         * to destroy is successfully copied to sigframe.
         */
        wrusp ((unsigned long) frame);
-       regs->pc = (unsigned long) ka->sa.sa_handler;
+       regs->pc = (unsigned long) ksig->ka.sa.sa_handler;
        adjustformat(regs);
 
        /*
@@ -1031,10 +1027,6 @@ static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info,
                tregs->sr = regs->sr;
        }
        return 0;
-
-give_sigsegv:
-       force_sigsegv(sig, current);
-       return err;
 }
 
 static inline void
@@ -1074,26 +1066,22 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler)
  * OK, we're invoking a handler
  */
 static void
-handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info,
-             struct pt_regs *regs)
+handle_signal(struct ksignal *ksig, struct pt_regs *regs)
 {
        sigset_t *oldset = sigmask_to_save();
        int err;
        /* are we from a system call? */
        if (regs->orig_d0 >= 0)
                /* If so, check system call restarting.. */
-               handle_restart(regs, ka, 1);
+               handle_restart(regs, &ksig->ka, 1);
 
        /* set up the stack frame */
-       if (ka->sa.sa_flags & SA_SIGINFO)
-               err = setup_rt_frame(sig, ka, info, oldset, regs);
+       if (ksig->ka.sa.sa_flags & SA_SIGINFO)
+               err = setup_rt_frame(ksig, oldset, regs);
        else
-               err = setup_frame(sig, ka, oldset, regs);
-
-       if (err)
-               return;
+               err = setup_frame(ksig, oldset, regs);
 
-       signal_delivered(sig, info, ka, regs, 0);
+       signal_setup_done(err, ksig, 0);
 
        if (test_thread_flag(TIF_DELAYED_TRACE)) {
                regs->sr &= ~0x8000;
@@ -1108,16 +1096,13 @@ handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info,
  */
 static void do_signal(struct pt_regs *regs)
 {
-       siginfo_t info;
-       struct k_sigaction ka;
-       int signr;
+       struct ksignal ksig;
 
        current->thread.esp0 = (unsigned long) regs;
 
-       signr = get_signal_to_deliver(&info, &ka, regs, NULL);
-       if (signr > 0) {
+       if (get_signal(&ksig)) {
                /* Whee!  Actually deliver the signal.  */
-               handle_signal(signr, &ka, &info, regs);
+               handle_signal(&ksig, regs);
                return;
        }