Signed-off-by: Amanieu d'Antras <aman...@gmail.com>
---
arch/s390/include/asm/compat.h | 3 --
arch/s390/kernel/compat_signal.c | 102 ---------------------------------------
2 files changed, 105 deletions(-)
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index fbb6365..5b26a92 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -192,9 +192,6 @@ typedef union compat_sigval {
compat_uptr_t sival_ptr;
} compat_sigval_t;
-#define HAVE_ARCH_COPY_SIGINFO_TO_USER32
-#define HAVE_ARCH_COPY_SIGINFO_FROM_USER32
-
/*
* How these fields are to be accessed.
*/
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index e0f9d27..3dac655 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -61,108 +61,6 @@ static inline void sigset32_to_sigset(compat_sigset_word
*set32,
set64[0] = (unsigned long) set32[0] | ((unsigned long) set32[1] << 32);
}
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
-{
- int err;
-
- /* If you change siginfo_t structure, please be sure
- this code is fixed accordingly.
- It should never copy any pad contained in the structure
- to avoid security leaks, but must copy the generic
- 3 ints plus the relevant union member.
- This routine must convert siginfo from 64bit to 32bit as well
- at the same time. */
- err = __put_user(from->si_signo, &to->si_signo);
- err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user((short)from->si_code, &to->si_code);
- if (from->si_code < 0)
- err |= __copy_to_user(&to->_sifields._pad,
&from->_sifields._pad, SI_PAD_SIZE);
- else {
- switch (from->si_code >> 16) {
- case __SI_RT >> 16: /* This is not generated by the kernel as
of now. */
- case __SI_MESGQ >> 16:
- err |= __put_user(from->si_int, &to->si_int);
- /* fallthrough */
- case __SI_KILL >> 16:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- break;
- case __SI_CHLD >> 16:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_utime, &to->si_utime);
- err |= __put_user(from->si_stime, &to->si_stime);
- err |= __put_user(from->si_status, &to->si_status);
- break;
- case __SI_FAULT >> 16:
- err |= __put_user((unsigned long) from->si_addr,
- &to->si_addr);
- break;
- case __SI_POLL >> 16:
- err |= __put_user(from->si_band, &to->si_band);
- err |= __put_user(from->si_fd, &to->si_fd);
- break;
- case __SI_TIMER >> 16:
- err |= __put_user(from->si_tid, &to->si_tid);
- err |= __put_user(from->si_overrun, &to->si_overrun);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- default:
- break;
- }
- }
- return err ? -EFAULT : 0;
-}
-
-int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
-{
- int err;
- u32 tmp;
-
- err = __get_user(to->si_signo, &from->si_signo);
- err |= __get_user(to->si_errno, &from->si_errno);
- err |= __get_user(to->si_code, &from->si_code);
-
- if (to->si_code < 0)
- err |= __copy_from_user(&to->_sifields._pad,
&from->_sifields._pad, SI_PAD_SIZE);
- else {
- switch (to->si_code >> 16) {
- case __SI_RT >> 16: /* This is not generated by the kernel as
of now. */
- case __SI_MESGQ >> 16:
- err |= __get_user(to->si_int, &from->si_int);
- /* fallthrough */
- case __SI_KILL >> 16:
- err |= __get_user(to->si_pid, &from->si_pid);
- err |= __get_user(to->si_uid, &from->si_uid);
- break;
- case __SI_CHLD >> 16:
- err |= __get_user(to->si_pid, &from->si_pid);
- err |= __get_user(to->si_uid, &from->si_uid);
- err |= __get_user(to->si_utime, &from->si_utime);
- err |= __get_user(to->si_stime, &from->si_stime);
- err |= __get_user(to->si_status, &from->si_status);
- break;
- case __SI_FAULT >> 16:
- err |= __get_user(tmp, &from->si_addr);
- to->si_addr = (void __force __user *)
- (u64) (tmp & PSW32_ADDR_INSN);
- break;
- case __SI_POLL >> 16:
- err |= __get_user(to->si_band, &from->si_band);
- err |= __get_user(to->si_fd, &from->si_fd);
- break;
- case __SI_TIMER >> 16:
- err |= __get_user(to->si_tid, &from->si_tid);
- err |= __get_user(to->si_overrun, &from->si_overrun);
- err |= __get_user(to->si_int, &from->si_int);
- break;
- default:
- break;
- }
- }
- return err ? -EFAULT : 0;
-}
-
/* Store registers needed to create the signal frame */
static void store_sigregs(void)
{
--
2.6.1
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