x86: switch to generic compat rt_sigaction()

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

1 files changed, 0 insertions, 76 deletions

diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
index cdf22ba9fa3..ffe9751b148 100644
--- a/arch/x86/ia32/sys_ia32.c
+++ b/arch/x86/ia32/sys_ia32.c
@@ -172,82 +172,6 @@ asmlinkage long sys32_mprotect(unsigned long start, size_t len,
 	return sys_mprotect(start, len, prot);
 }
 
-asmlinkage long sys32_rt_sigaction(int sig, struct sigaction32 __user *act,
-				   struct sigaction32 __user *oact,
-				   unsigned int sigsetsize)
-{
-	struct k_sigaction new_ka, old_ka;
-	int ret;
-	compat_sigset_t set32;
-
-	/* XXX: Don't preclude handling different sized sigset_t's.  */
-	if (sigsetsize != sizeof(compat_sigset_t))
-		return -EINVAL;
-
-	if (act) {
-		compat_uptr_t handler, restorer;
-
-		if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
-		    __get_user(handler, &act->sa_handler) ||
-		    __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
-		    __get_user(restorer, &act->sa_restorer) ||
-		    __copy_from_user(&set32, &act->sa_mask,
-				     sizeof(compat_sigset_t)))
-			return -EFAULT;
-		new_ka.sa.sa_handler = compat_ptr(handler);
-		new_ka.sa.sa_restorer = compat_ptr(restorer);
-
-		/*
-		 * FIXME: here we rely on _COMPAT_NSIG_WORS to be >=
-		 * than _NSIG_WORDS << 1
-		 */
-		switch (_NSIG_WORDS) {
-		case 4: new_ka.sa.sa_mask.sig[3] = set32.sig[6]
-				| (((long)set32.sig[7]) << 32);
-		case 3: new_ka.sa.sa_mask.sig[2] = set32.sig[4]
-				| (((long)set32.sig[5]) << 32);
-		case 2: new_ka.sa.sa_mask.sig[1] = set32.sig[2]
-				| (((long)set32.sig[3]) << 32);
-		case 1: new_ka.sa.sa_mask.sig[0] = set32.sig[0]
-				| (((long)set32.sig[1]) << 32);
-		}
-	}
-
-	ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-
-	if (!ret && oact) {
-		/*
-		 * FIXME: here we rely on _COMPAT_NSIG_WORS to be >=
-		 * than _NSIG_WORDS << 1
-		 */
-		switch (_NSIG_WORDS) {
-		case 4:
-			set32.sig[7] = (old_ka.sa.sa_mask.sig[3] >> 32);
-			set32.sig[6] = old_ka.sa.sa_mask.sig[3];
-		case 3:
-			set32.sig[5] = (old_ka.sa.sa_mask.sig[2] >> 32);
-			set32.sig[4] = old_ka.sa.sa_mask.sig[2];
-		case 2:
-			set32.sig[3] = (old_ka.sa.sa_mask.sig[1] >> 32);
-			set32.sig[2] = old_ka.sa.sa_mask.sig[1];
-		case 1:
-			set32.sig[1] = (old_ka.sa.sa_mask.sig[0] >> 32);
-			set32.sig[0] = old_ka.sa.sa_mask.sig[0];
-		}
-		if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
-		    __put_user(ptr_to_compat(old_ka.sa.sa_handler),
-			       &oact->sa_handler) ||
-		    __put_user(ptr_to_compat(old_ka.sa.sa_restorer),
-			       &oact->sa_restorer) ||
-		    __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
-		    __copy_to_user(&oact->sa_mask, &set32,
-				   sizeof(compat_sigset_t)))
-			return -EFAULT;
-	}
-
-	return ret;
-}
-
 asmlinkage long sys32_sigaction(int sig, struct old_sigaction32 __user *act,
 				struct old_sigaction32 __user *oact)
 {