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Diffstat (limited to 'arch/powerpc/kernel/signal_32.c')
-rw-r--r--arch/powerpc/kernel/signal_32.c65
1 files changed, 0 insertions, 65 deletions
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 16ec1c9899ad..802ab5ea36cb 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -57,7 +57,6 @@
#ifdef CONFIG_PPC64
#define sys_rt_sigreturn compat_sys_rt_sigreturn
-#define sys_sigaction compat_sys_sigaction
#define sys_swapcontext compat_sys_swapcontext
#define sys_sigreturn compat_sys_sigreturn
@@ -130,23 +129,6 @@ static inline int get_sigset_t(sigset_t *set,
return 0;
}
-static inline int get_old_sigaction(struct k_sigaction *new_ka,
- struct old_sigaction __user *act)
-{
- compat_old_sigset_t mask;
- compat_uptr_t handler, restorer;
-
- if (get_user(handler, &act->sa_handler) ||
- __get_user(restorer, &act->sa_restorer) ||
- __get_user(new_ka->sa.sa_flags, &act->sa_flags) ||
- __get_user(mask, &act->sa_mask))
- return -EFAULT;
- new_ka->sa.sa_handler = compat_ptr(handler);
- new_ka->sa.sa_restorer = compat_ptr(restorer);
- siginitset(&new_ka->sa.sa_mask, mask);
- return 0;
-}
-
#define to_user_ptr(p) ptr_to_compat(p)
#define from_user_ptr(p) compat_ptr(p)
@@ -196,21 +178,6 @@ static inline int get_sigset_t(sigset_t *set, const sigset_t __user *uset)
return copy_from_user(set, uset, sizeof(*uset));
}
-static inline int get_old_sigaction(struct k_sigaction *new_ka,
- struct old_sigaction __user *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);
- return 0;
-}
-
#define to_user_ptr(p) ((unsigned long)(p))
#define from_user_ptr(p) ((void __user *)(p))
@@ -234,40 +201,8 @@ static inline int restore_general_regs(struct pt_regs *regs,
return -EFAULT;
return 0;
}
-
-#endif /* CONFIG_PPC64 */
-
-long sys_sigaction(int sig, struct old_sigaction __user *act,
- struct old_sigaction __user *oact)
-{
- struct k_sigaction new_ka, old_ka;
- int ret;
-
-#ifdef CONFIG_PPC64
- if (sig < 0)
- sig = -sig;
#endif
- if (act) {
- if (get_old_sigaction(&new_ka, act))
- return -EFAULT;
- }
-
- 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(to_user_ptr(old_ka.sa.sa_handler),
- &oact->sa_handler) ||
- __put_user(to_user_ptr(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;
-}
-
/*
* When we have signals to deliver, we set up on the
* user stack, going down from the original stack pointer: