diff options
Diffstat (limited to 'arch/parisc/kernel/signal32.c')
-rw-r--r-- | arch/parisc/kernel/signal32.c | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c index 41afa9cd1f55..e8ef3eb69449 100644 --- a/arch/parisc/kernel/signal32.c +++ b/arch/parisc/kernel/signal32.c @@ -260,109 +260,3 @@ setup_sigcontext32(struct compat_sigcontext __user *sc, struct compat_regfile __ return err; } - -int -copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from) -{ - compat_uptr_t addr; - int err; - - if (!access_ok(VERIFY_READ, from, sizeof(compat_siginfo_t))) - return -EFAULT; - - 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 (siginfo_layout(to->si_signo, to->si_code)) { - case SIL_CHLD: - 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); - default: - case SIL_KILL: - err |= __get_user(to->si_pid, &from->si_pid); - err |= __get_user(to->si_uid, &from->si_uid); - break; - case SIL_FAULT: - err |= __get_user(addr, &from->si_addr); - to->si_addr = compat_ptr(addr); - break; - case SIL_POLL: - err |= __get_user(to->si_band, &from->si_band); - err |= __get_user(to->si_fd, &from->si_fd); - break; - case SIL_RT: - err |= __get_user(to->si_pid, &from->si_pid); - err |= __get_user(to->si_uid, &from->si_uid); - err |= __get_user(to->si_int, &from->si_int); - break; - } - } - return err; -} - -int -copy_siginfo_to_user32 (compat_siginfo_t __user *to, const siginfo_t *from) -{ - compat_uptr_t addr; - compat_int_t val; - int err; - - if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t))) - return -EFAULT; - - /* 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(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 (siginfo_layout(from->si_signo, from->si_code)) { - case SIL_CHLD: - 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); - case SIL_KILL: - err |= __put_user(from->si_pid, &to->si_pid); - err |= __put_user(from->si_uid, &to->si_uid); - break; - case SIL_FAULT: - addr = ptr_to_compat(from->si_addr); - err |= __put_user(addr, &to->si_addr); - break; - case SIL_POLL: - err |= __put_user(from->si_band, &to->si_band); - err |= __put_user(from->si_fd, &to->si_fd); - break; - case SIL_TIMER: - err |= __put_user(from->si_tid, &to->si_tid); - err |= __put_user(from->si_overrun, &to->si_overrun); - val = (compat_int_t)from->si_int; - err |= __put_user(val, &to->si_int); - break; - case SIL_RT: - err |= __put_user(from->si_uid, &to->si_uid); - err |= __put_user(from->si_pid, &to->si_pid); - val = (compat_int_t)from->si_int; - err |= __put_user(val, &to->si_int); - break; - case SIL_SYS: - err |= __put_user(ptr_to_compat(from->si_call_addr), &to->si_call_addr); - err |= __put_user(from->si_syscall, &to->si_syscall); - err |= __put_user(from->si_arch, &to->si_arch); - break; - } - } - return err; -} |