unicore32: 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/unicore32/kernel/signal.c b/arch/unicore32/kernel/signal.c
index 6905f0ebdc77e366d8e7b286800531b66f86f58b..780d77388dec507d7e11bb6f9d8595fe4f64c93d 100644 (file)
--- a/arch/unicore32/kernel/signal.c
+++ b/arch/unicore32/kernel/signal.c
@@ -238,10 +238,10 @@ static int setup_return(struct pt_regs *regs, struct k_sigaction *ka,
        return 0;
 }
 
-static int setup_frame(int usig, 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 = get_sigframe(ka, regs, sizeof(*frame));
+       struct sigframe __user *frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
        int err = 0;
 
        if (!frame)
@@ -254,29 +254,29 @@ static int setup_frame(int usig, struct k_sigaction *ka,
 
        err |= setup_sigframe(frame, regs, set);
        if (err == 0)
-               err |= setup_return(regs, ka, frame->retcode, frame, usig);
+               err |= setup_return(regs, &ksig->ka, frame->retcode, frame, usig);
 
        return err;
 }
 
-static int setup_rt_frame(int usig, 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 =
-                       get_sigframe(ka, regs, sizeof(*frame));
+                       get_sigframe(&ksig->ka, regs, sizeof(*frame));
        int err = 0;
 
        if (!frame)
                return 1;
 
-       err |= copy_siginfo_to_user(&frame->info, info);
+       err |= copy_siginfo_to_user(&frame->info, &ksig->info);
 
        err |= __put_user(0, &frame->sig.uc.uc_flags);
        err |= __put_user(NULL, &frame->sig.uc.uc_link);
        err |= __save_altstack(&frame->sig.uc.uc_stack, regs->UCreg_sp);
        err |= setup_sigframe(&frame->sig, regs, set);
        if (err == 0)
-               err |= setup_return(regs, ka, frame->sig.retcode, frame, usig);
+               err |= setup_return(regs, &ksig->ka, frame->sig.retcode, frame, usig);
 
        if (err == 0) {
                /*
@@ -299,13 +299,13 @@ static inline void setup_syscall_restart(struct pt_regs *regs)
 /*
  * OK, we're invoking a handler
  */
-static void handle_signal(unsigned long sig, struct k_sigaction *ka,
-             siginfo_t *info, struct pt_regs *regs, int syscall)
+static void handle_signal(struct ksignal *ksig, struct pt_regs *regs,
+                         int syscall)
 {
        struct thread_info *thread = current_thread_info();
        struct task_struct *tsk = current;
        sigset_t *oldset = sigmask_to_save();
-       int usig = sig;
+       int usig = ksig->sig;
        int ret;
 
        /*
@@ -318,7 +318,7 @@ static void handle_signal(unsigned long sig, struct k_sigaction *ka,
                        regs->UCreg_00 = -EINTR;
                        break;
                case -ERESTARTSYS:
-                       if (!(ka->sa.sa_flags & SA_RESTART)) {
+                       if (!(ksig->ka.sa.sa_flags & SA_RESTART)) {
                                regs->UCreg_00 = -EINTR;
                                break;
                        }
@@ -338,22 +338,17 @@ static void handle_signal(unsigned long sig, struct k_sigaction *ka,
        /*
         * Set up the stack frame
         */
-       if (ka->sa.sa_flags & SA_SIGINFO)
-               ret = setup_rt_frame(usig, ka, info, oldset, regs);
+       if (ksig->ka.sa.sa_flags & SA_SIGINFO)
+               ret = setup_rt_frame(ksig, oldset, regs);
        else
-               ret = setup_frame(usig, ka, oldset, regs);
+               ret = setup_frame(ksig, oldset, regs);
 
        /*
         * Check that the resulting registers are actually sane.
         */
        ret |= !valid_user_regs(regs);
 
-       if (ret != 0) {
-               force_sigsegv(sig, tsk);
-               return;
-       }
-
-       signal_delivered(sig, info, ka, regs, 0);
+       signal_setup_done(ret, ksig, 0);
 }
 
 /*
@@ -367,9 +362,7 @@ static void handle_signal(unsigned long sig, struct k_sigaction *ka,
  */
 static void do_signal(struct pt_regs *regs, int syscall)
 {
-       struct k_sigaction ka;
-       siginfo_t info;
-       int signr;
+       struct ksignal ksig;
 
        /*
         * We want the common case to go fast, which
@@ -380,9 +373,8 @@ static void do_signal(struct pt_regs *regs, int syscall)
        if (!user_mode(regs))
                return;
 
-       signr = get_signal_to_deliver(&info, &ka, regs, NULL);
-       if (signr > 0) {
-               handle_signal(signr, &ka, &info, regs, syscall);
+       if (get_signsl(&ksig)) {
+               handle_signal(&ksig, regs, syscall);
                return;
        }