sh: switch to generic old sigaction()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

5 files changed, 3 insertions, 66 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index d69caaf818bb..b5fd9f3c9925 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -42,6 +42,7 @@ config SUPERH
         select MODULES_USE_ELF_RELA
         select GENERIC_SIGALTSTACK
         select OLD_SIGSUSPEND
+        select OLD_SIGACTION
         help
           The SuperH is a RISC processor targeted for use in embedded systems
           and consumer electronics; it was also used in the Sega Dreamcast
diff --git a/arch/sh/include/asm/syscalls_32.h b/arch/sh/include/asm/syscalls_32.h
index dc72388e6e5b..4f97df87d7d5 100644
--- a/arch/sh/include/asm/syscalls_32.h
+++ b/arch/sh/include/asm/syscalls_32.h
@@ -9,8 +9,6 @@
 
 struct pt_regs;
 
-asmlinkage int sys_sigaction(int sig, const struct old_sigaction __user *act,
-                             struct old_sigaction __user *oact);
 asmlinkage int sys_sigreturn(unsigned long r4, unsigned long r5,
                              unsigned long r6, unsigned long r7,
                              struct pt_regs __regs);
diff --git a/arch/sh/include/uapi/asm/signal.h b/arch/sh/include/uapi/asm/signal.h
index 9ac530a90bce..cb96d02f55a4 100644
--- a/arch/sh/include/uapi/asm/signal.h
+++ b/arch/sh/include/uapi/asm/signal.h
@@ -5,11 +5,13 @@
 
 #include <asm-generic/signal.h>
 
+#ifndef __KERNEL__
 struct old_sigaction {
         __sighandler_t sa_handler;
         old_sigset_t sa_mask;
         unsigned long sa_flags;
         void (*sa_restorer)(void);
 };
+#endif
 
 #endif /* __ASM_SH_SIGNAL_H */
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index c660a912a470..6af6e7c5cac8 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -46,38 +46,6 @@ struct fdpic_func_descriptor {
  */
 #define UNWINDGUARD 64
 
-asmlinkage int
-sys_sigaction(int sig, const struct old_sigaction __user *act,
-              struct old_sigaction __user *oact)
-{
-        struct k_sigaction new_ka, old_ka;
-        int ret;
-
-        if (act) {
-                old_sigset_t mask;
-                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) ||
-                    __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
-                    __get_user(mask, &act->sa_mask))
-                        return -EFAULT;
-                siginitset(&new_ka.sa.sa_mask, mask);
-        }
-
-        ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-
-        if (!ret && 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) ||
-                    __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
-                    __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
-                        return -EFAULT;
-        }
-
-        return ret;
-}
-
 /*
  * Do a signal return; undo the signal stack.
  */
diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index 8705f3ec24f4..23d4c71c91af 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -127,38 +127,6 @@ static void do_signal(struct pt_regs *regs)
         restore_saved_sigmask();
 }
 
-asmlinkage int
-sys_sigaction(int sig, const struct old_sigaction __user *act,
-              struct old_sigaction __user *oact)
-{
-        struct k_sigaction new_ka, old_ka;
-        int ret;
-
-        if (act) {
-                old_sigset_t mask;
-                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) ||
-                    __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
-                    __get_user(mask, &act->sa_mask))
-                        return -EFAULT;
-                siginitset(&new_ka.sa.sa_mask, mask);
-        }
-
-        ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-
-        if (!ret && 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) ||
-                    __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
-                    __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
-                        return -EFAULT;
-        }
-
-        return ret;
-}
-
 /*
  * Do a signal return; undo the signal stack.
  */