mips: switch to generic compat rt_sigaction()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index 0b1f571..ad7c2be 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -55,12 +55,6 @@
typedef unsigned int __sighandler32_t;
typedef void (*vfptr_t)(void);
-struct sigaction32 {
- unsigned int sa_flags;
- __sighandler32_t sa_handler;
- compat_sigset_t sa_mask;
-};
-
struct ucontext32 {
u32 uc_flags;
s32 uc_link;
@@ -278,8 +272,8 @@
return compat_sys_rt_sigsuspend(uset, sizeof(compat_sigset_t));
}
-SYSCALL_DEFINE3(32_sigaction, long, sig, const struct sigaction32 __user *, act,
- struct sigaction32 __user *, oact)
+SYSCALL_DEFINE3(32_sigaction, long, sig, const struct compat_sigaction __user *, act,
+ struct compat_sigaction __user *, oact)
{
struct k_sigaction new_ka, old_ka;
int ret;
@@ -564,50 +558,6 @@
.restart = __NR_O32_restart_syscall
};
-SYSCALL_DEFINE4(32_rt_sigaction, int, sig,
- const struct sigaction32 __user *, act,
- struct sigaction32 __user *, oact, unsigned int, sigsetsize)
-{
- struct k_sigaction new_sa, old_sa;
- int ret = -EINVAL;
-
- /* XXX: Don't preclude handling different sized sigset_t's. */
- if (sigsetsize != sizeof(sigset_t))
- goto out;
-
- if (act) {
- s32 handler;
- int err = 0;
-
- if (!access_ok(VERIFY_READ, act, sizeof(*act)))
- return -EFAULT;
- err |= __get_user(handler, &act->sa_handler);
- new_sa.sa.sa_handler = (void __user *)(s64)handler;
- err |= __get_user(new_sa.sa.sa_flags, &act->sa_flags);
- err |= get_sigset(&new_sa.sa.sa_mask, &act->sa_mask);
- if (err)
- return -EFAULT;
- }
-
- ret = do_sigaction(sig, act ? &new_sa : NULL, oact ? &old_sa : NULL);
-
- if (!ret && oact) {
- int err = 0;
-
- if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)))
- return -EFAULT;
-
- err |= __put_user((u32)(u64)old_sa.sa.sa_handler,
- &oact->sa_handler);
- err |= __put_user(old_sa.sa.sa_flags, &oact->sa_flags);
- err |= put_sigset(&old_sa.sa.sa_mask, &oact->sa_mask);
- if (err)
- return -EFAULT;
- }
-out:
- return ret;
-}
-
static int signal32_init(void)
{
if (cpu_has_fpu) {