avr32: 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>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>

1 files changed, 18 insertions, 25 deletions

diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c
index b80c0b3d2bab..dda150fe73bb 100644
--- a/arch/avr32/kernel/signal.c
+++ b/arch/avr32/kernel/signal.c
@@ -138,13 +138,12 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, int framesize)
 }
 
 static int
-setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
-               sigset_t *set, struct pt_regs *regs)
+setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
 {
         struct rt_sigframe __user *frame;
         int err = 0;
 
-        frame = get_sigframe(ka, regs, sizeof(*frame));
+        frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
         err = -EFAULT;
         if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
                 goto out;
@@ -164,7 +163,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
         err = __put_user(0x3008d733 | (__NR_rt_sigreturn << 20),
                          &frame->retcode);
 
-        err |= copy_siginfo_to_user(&frame->info, info);
+        err |= copy_siginfo_to_user(&frame->info, &ksig->info);
 
         /* Set up the ucontext */
         err |= __put_user(0, &frame->uc.uc_flags);
@@ -176,12 +175,12 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
         if (err)
                 goto out;
 
-        regs->r12 = sig;
+        regs->r12 = ksig->sig;
         regs->r11 = (unsigned long) &frame->info;
         regs->r10 = (unsigned long) &frame->uc;
         regs->sp = (unsigned long) frame;
-        if (ka->sa.sa_flags & SA_RESTORER)
-                regs->lr = (unsigned long)ka->sa.sa_restorer;
+        if (ksig->ka.sa.sa_flags & SA_RESTORER)
+                regs->lr = (unsigned long)ksig->ka.sa.sa_restorer;
         else {
                 printk(KERN_NOTICE "[%s:%d] did not set SA_RESTORER\n",
                        current->comm, current->pid);
@@ -189,10 +188,10 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
         }
 
         pr_debug("SIG deliver [%s:%d]: sig=%d sp=0x%lx pc=0x%lx->0x%p lr=0x%lx\n",
-                 current->comm, current->pid, sig, regs->sp,
-                 regs->pc, ka->sa.sa_handler, regs->lr);
+                 current->comm, current->pid, ksig->sig, regs->sp,
+                 regs->pc, ksig->ka.sa.sa_handler, regs->lr);
 
-        regs->pc = (unsigned long) ka->sa.sa_handler;
+        regs->pc = (unsigned long)ksig->ka.sa.sa_handler;
 
 out:
         return err;
@@ -208,15 +207,14 @@ static inline void setup_syscall_restart(struct pt_regs *regs)
 }
 
 static inline void
-handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
-              struct pt_regs *regs, int syscall)
+handle_signal(struct ksignal *ksig, struct pt_regs *regs, int syscall)
 {
         int ret;
 
         /*
          * Set up the stack frame
          */
-        ret = setup_rt_frame(sig, ka, info, sigmask_to_save(), regs);
+        ret = setup_rt_frame(ksig, sigmask_to_save(), regs);
 
         /*
          * Check that the resulting registers are sane
@@ -226,10 +224,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
         /*
          * Block the signal if we were successful.
          */
-        if (ret != 0)
-                force_sigsegv(sig, current);
-        else
-                signal_delivered(sig, info, ka, regs, 0);
+        signal_setup_done(ret, ksig, 0);
 }
 
 /*
@@ -239,9 +234,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
  */
 static void do_signal(struct pt_regs *regs, int syscall)
 {
-        siginfo_t info;
-        int signr;
-        struct k_sigaction ka;
+        struct ksignal ksig;
 
         /*
          * We want the common case to go fast, which is why we may in
@@ -251,18 +244,18 @@ static void do_signal(struct pt_regs *regs, int syscall)
         if (!user_mode(regs))
                 return;
 
-        signr = get_signal_to_deliver(&info, &ka, regs, NULL);
+        get_signal(&ksig);
         if (syscall) {
                 switch (regs->r12) {
                 case -ERESTART_RESTARTBLOCK:
                 case -ERESTARTNOHAND:
-                        if (signr > 0) {
+                        if (ksig.sig > 0) {
                                 regs->r12 = -EINTR;
                                 break;
                         }
                         /* fall through */
                 case -ERESTARTSYS:
-                        if (signr > 0 && !(ka.sa.sa_flags & SA_RESTART)) {
+                        if (ksig.sig > 0 && !(ksig.ka.sa.sa_flags & SA_RESTART)) {
                                 regs->r12 = -EINTR;
                                 break;
                         }
@@ -272,13 +265,13 @@ static void do_signal(struct pt_regs *regs, int syscall)
                 }
         }
 
-        if (signr == 0) {
+        if (!ksig.sig) {
                 /* No signal to deliver -- put the saved sigmask back */
                 restore_saved_sigmask();
                 return;
         }
 
-        handle_signal(signr, &ka, &info, regs, syscall);
+        handle_signal(&ksig, regs, syscall);
 }
 
 asmlinkage void do_notify_resume(struct pt_regs *regs, struct thread_info *ti)